Top 10 Warning Signs and Caution Labels You Can Buy Online

A simple decal can mean the difference between a routine task and a life-threatening incident. Warning signs and caution labels translate unseen hazards—live electrical circuits, pinch points, fall risks—into clear visual alerts that protect employees and ensure compliance with OSHA and ANSI standards.

With countless vendors offering various sizes, materials, and customization options, choosing the right labels for your facility can feel overwhelming. This guide highlights the top ten online sources for high-quality, ready-to-order and custom warning signs and caution labels, then walks you through a concise buying guide covering durability, visibility, regulatory requirements, and more.

Read on to discover where to find the best ready-to-order and custom warning labels online.

1. Safety Decals: Customizable Hazard & Warning Decals Collection

Safety Decals, a Michigan-based division of Tye’s Incorporated, brings decades of experience to the safety labeling market. Their Hazard & Warning Decals Collection features 246 unique designs, ranging from “Danger” and “Warning” to “Caution” and “Notice” messages. Clients include manufacturing plants, construction firms, and emergency response fleets, all relying on Safety Decals’ proven track record of quality, durability, and on-time delivery.

1.1 Overview of Safety Decals' Hazard & Warning Collection

The collection is organized into four signal-word categories:

Danger: immediate‐hazard conditions that could result in serious injury or death
Warning: potentially hazardous situations requiring attention
Caution: minor or moderate injury risks
Notice: general information and housekeeping reminders

These decals find homes on factory floors, heavy equipment, scaffolding, forklifts, and emergency vehicles. Whether you need a bold, reflective chevron on a truck or a small machinery decal in a workshop, Safety Decals offers materials built to last—vinyl, magnetic, reflective sheeting—and graphics that stay legible through abrasion, chemicals, and UV exposure.

1.2 Product Highlights: Top Picks from Safety Decals

Here are some standout items from the collection:

ORALITE® V98 Pre-Striped Chevron (vehicle conspicuity): high-contrast pattern for emergency and service vehicles, left-hand orientation. View product
ORALITE® V42 DOT-C2 Conspicuity Sheeting: DOT-compliant reflectivity in a 2" x 150' roll for trailers and truck sides. View product
Pinch Point Decal: bold graphic warning to prevent hand- or finger-injury at machinery pinch points. View product
3-Point Contact Decal: ladder-safety reminder to maintain three points of contact. View product
ANSI All-in-One Decal: combines multiple hazard symbols and messages on a single sign for high-traffic zones. View product

1.3 Customization & Promotional Options

Beyond ready-to-ship designs, Safety Decals offers a Sticker Builder tool for fully custom decals. Upload your logo, specify brand colors, choose materials—vinyl, magnetic, reflective—and select finishes that fit your environment. If you’re looking for branded giveaways, the promotional products store features business cards, beanies, tumblers, and more—all customizable to reinforce your safety message or company identity.

1.4 Regulatory Compliance & Consulting Services

Safety Decals doesn’t stop at printing labels. Their team provides risk-assessment consultations and label audits to verify OSHA 1910.145 and ANSI Z535.4 compliance. You’ll receive digital proofs and detailed quality checks before production, ensuring your decals meet signal-word hierarchies, symbol usage, and placement best practices. For complex environments, their experts help map out decal locations and offer ongoing support to keep your facility up to code.

2. Seton: Warning Labels & Decals

Seton has been a go-to name for safety identification for over 60 years, offering a massive library of pre-designed warning labels and decals that cover every common workplace hazard. Their warning labels & decals are engineered to meet OSHA and ANSI standards right out of the box, saving you the hassle of custom design while ensuring regulatory compliance from the start. Whether you’re flagging high-voltage equipment or keeping hands clear of moving machinery, Seton’s catalog has something for nearly every scenario.

2.1 Product Range & Key Features

Seton’s selection spans dozens of hazard categories, including:

High-voltage and electrical shock warnings
Hot surface and chemical hazard alerts
Pinch point and machinery safety decals
Lockout/tagout procedure reminders

These labels come in convenient formats—choose rolls of 500 for large-scale deployment or packs of 5–10 for smaller jobs and niche applications. Graphic symbols and signal words are pre-printed in high-contrast colors, making them legible at a glance, even in dimly lit or busy environments.

2.2 Customization & Bilingual Options

If you need to tailor messaging, Seton lets you add custom text or your company logo to select designs. This personalization helps reinforce site-specific protocols and brand consistency. For workplaces with diverse teams, many labels are also available in bilingual English/Spanish versions, ensuring that critical safety information is understood by all employees.

2.3 Ordering Experience & Support

Navigating Seton’s site is straightforward thanks to material filters that let you sort labels by substrate—vinyl, polyester, aluminum—and by application, such as indoor or outdoor use. Should questions arise, live chat and phone support are available during business hours, or you can request a printed catalog for offline browsing. For bulk orders or unique requests, Seton offers quick quote requests and volume pricing to keep your project on budget and on schedule.

3. MySafetyLabels: ANSI Caution Labels

When you need clear, standard-compliant warnings for moderate-hazard situations, MySafetyLabels delivers an extensive selection of ANSI Caution Labels that meet every regulatory requirement. Their ANSI Caution Labels collection is tailored to highlight potential minor or moderate injury risks—perfect for environments from manufacturing floors to laboratory workstations.

Navigating their catalog is straightforward: filter by size, material, or application, and preview designs that adhere to ANSI Z535.4 standards. Whether you’re marking a sloped walkway or a curved pipe, these caution labels maintain visibility and durability, ensuring safety messages stay front and center.

3.1 ANSI Caution Standards & Design

MySafetyLabels follows ANSI Z535.4 guidelines precisely. Each label features:

A yellow background with a black header band
The word “CAUTION” in bold uppercase letters
Standardized pictograms that depict the specific hazard

This consistency in color, typography, and symbol placement ensures instant recognition and legibility. By adhering to ANSI’s size and layout specifications, these labels help you avoid compliance pitfalls and reinforce a uniform safety language across multiple sites.

3.2 Material & Durability Features

Environmental stresses don’t stand a chance against these labels. Choose from:

Flexible vinyl for curved surfaces and pipes
Industrial polyester for chemical and abrasion resistance

All substrates boast UV-resistant inks and waterproof coatings, so the bright yellow and stark black won’t fade under sun exposure or wash away in damp conditions. Whether indoors or out, your caution labels will stay firmly affixed and legible over time.

3.3 Ordering Options & Pricing

MySafetyLabels offers pack sizes of 1, 10, 25, and 100, with volume discounts that automatically apply at checkout. Pricing is transparent on each product page, and you can compare per-unit costs as quantities increase.

Standard ground shipping delivers within 3–5 business days, and expedited options are available if you’re on a tight schedule. Once your order ships, you’ll receive tracking information to coordinate your installation timeline seamlessly.

4. SafetySign.com: Custom OSHA & ANSI Safety Labels

SafetySign.com makes it easy to design and order professionally compliant labels with just a few clicks. Their custom safety labels portal combines a vast symbol library with automated checks against OSHA 1910.145 and ANSI Z535.4, ensuring your signs meet industry specifications from signal word hierarchy to color coding. Whether you’re labeling electrical panels, chemical storage, or emergency exits, the platform adapts to projects of any scale.

Real-time previews and an intuitive proofing workflow mean you’ll see exactly how your label will look before it goes to production. This transparency cuts down on revisions, so you can move faster from design to deployment without sacrificing compliance or quality.

4.1 Online Design & Customization Tools

SafetySign.com's step-by-step builder guides you through every choice:

Size, material, and finish (vinyl, polyester, aluminum)
OSHA- and ANSI-approved symbols and pictograms
Custom text fields, logos, or QR codes
File uploads for client-supplied artwork

As you tweak colors, fonts, and layouts, a live mock-up updates instantly, helping you fine-tune spacing and legibility for your specific environment.

4.2 OSHA & ANSI Compliance Assurance

Built-in templates enforce critical standards:

ANSI Z535.4 color schemes (red for Danger, orange for Warning, yellow for Caution)
Signal-word placement and minimum type sizes per OSHA 1910.145
Pictogram sizing and clear space requirements

With these safeguards in place, your labels are inspection-ready and consistently formatted, reducing the risk of enforcement citations or on-site confusion.

4.3 Bulk Ordering, Discounts & Delivery

From single labels to thousands, SafetySign.com scales to meet your needs. Volume discounts kick in automatically as quantities increase, and you can choose rush production or overnight shipping when deadlines are looming. After placing an order, track proof approvals, production stages, and shipment details in one centralized dashboard—keeping safety managers and procurement teams on the same page.

5. Duramark Technologies: ANSI Warning Labels, Stickers & Decals

Duramark Technologies specializes in high-visibility ANSI “WARNING” labels designed to highlight serious but non–life-threatening hazards. Their collection focuses on the distinctive orange-and-black palette prescribed by ANSI Z535.4, ensuring that each sticker or decal instantly signals caution without the heightened urgency of a “DANGER” sign. Whether you’re flagging moving machinery, elevated platforms, or pinch points, Duramark’s lineup offers ready-to-apply solutions for a wide range of industrial and commercial settings. Explore their full catalog of ANSI Warning Labels, Stickers & Decals to find the perfect match for your facility.

5.1 Signal Word & Color Standards

ANSI Z535.4 mandates that “WARNING” labels use black text on an orange background panel, clearly differentiating them from red “DANGER” signs that denote immediate, potentially lethal hazards. Duramark adheres strictly to these specifications, applying the signal word in bold, uppercase letters and surrounding it with a contrasting header to maximize legibility. Standardized pictograms and ample clear space around each element reinforce the message, ensuring that workers recognize and respect the level of risk.

5.2 Material Options for Different Environments

Duramark understands that one size doesn’t fit all when it comes to safety labels. Their materials portfolio includes:

Flexible vinyl: ideal for curved surfaces like pipes and equipment housings
Industrial polyester: chemical- and abrasion-resistant for harsh manufacturing areas
Aluminum: rigid, weatherproof tags for outdoor structures
Reflective sheeting: enhances visibility under low ambient light or vehicle headlights

Each substrate is printed with UV-stable inks and protected by clear overlays, so the bright orange and crisp black remain vivid even after prolonged exposure to sun, moisture, or cleaning solvents.

5.3 Ordering Process & Minimum Quantities

Whether you need a single decal or a fleet-wide rollout, Duramark streamlines the ordering process:

Pre-printed stock: no minimums and same-day shipping for common sizes
Custom orders: start at low quantity thresholds (often 25 pieces), with digital proofs and an approval step to verify text, layout, and logo placement
Lead times: 3–5 business days for custom runs, with rush options available

Volume pricing automatically adjusts at checkout, making it easier to budget for large orders. Once you approve the proof, Duramark moves swiftly from production to dispatch, providing tracking details so you can coordinate installation without delay.

6. Brady ID: Facility, Equipment & Safety Labels

Brady ID is known for its industrial-grade, UL-certified labels and tags that tackle facility and equipment identification challenges head-on. With decades of experience serving manufacturing plants, laboratories, and utilities, Brady’s safety labels combine precision printing, durable materials, and rigorous testing. Explore their full lineup of facility, equipment, and safety labels on Brady ID to find solutions that stick—and stay—in demanding environments.

6.1 Types of Facility & Equipment Labels

Brady’s catalog covers every corner of your facility:

Pipe and valve markers: color-coded, pre-printed or custom, for water, gas, steam, and chemical lines
Floor marking tapes and signs: high-visibility durable tapes for aisles, hazard zones, and traffic lanes
Electrical hazard labels: lockout/tagout tags, arc-flash warnings, voltage indicators
Equipment ID and asset tags: barcoded, UID-ready labels for inventory tracking and maintenance schedules

Whether you need GHS-compliant chemical labels or glow-in-the-dark evacuation path markers, Brady groups products by application so you can zero in on the right material, size, and adhesive for the job.

6.2 Custom Printing & Software Integration

Brady’s free Workstation software empowers you to design, preview, and print labels in-house. Choose from ready-made templates or build your own layouts, then upload logos, barcodes, or serialized data. Workstation integrates seamlessly with asset management systems and Excel databases, letting you automate batch printing and update records in real time. For larger operations, Brady offers dedicated printers and ribbons optimized for specific label materials—ensuring crisp text and graphics every time.

6.3 Durability & Environmental Ratings

Durability is non-negotiable when labels face chemicals, extreme temperatures, or heavy foot traffic. Brady’s products meet or exceed:

ANSI A-250.4 for floor marking performance
UL 969 for indoor/outdoor printed labels
Resistance to solvents, oils, and abrasion

Select materials withstand temperatures from -40°F up to 300°F, while specialized laminates guard against UV fading and chemical spills. This combination of engineered substrates and certified performance gives safety managers peace of mind that critical warnings remain legible throughout the life of the asset.

7. Clarion Safety: Custom Safety Labels

Clarion Safety offers a rapid-turnaround service for businesses that need tailor-made safety labels in a hurry. Their Custom Safety Labels portal guides you through selecting templates by hazard type, uploading your artwork or logo, and finalizing digital proofs—all without the back-and-forth delays common in custom printing.

Whether you’re marking machinery with tamper-evident seals, illuminating escape routes with glow-in-the-dark decals, or installing reflective signs in low-light zones, Clarion Safety combines an intuitive online workflow with a fast production cycle. Below, we break down their design process, available materials, and what to expect in terms of pricing and delivery.

7.1 Custom Safety Label Design Process

Clarion Safety’s web-based configurator starts with a library of OSHA- and ANSI-compliant templates organized by signal word and pictogram. You can:

Choose a layout and size that fits your application
Upload logos, barcodes, or proprietary artwork
Adjust text fields and color schemes directly in your browser

Once you’re satisfied, the platform generates a digital proof for your review. After you approve the design, Clarion’s production team takes over—eliminating guesswork and ensuring your labels meet industry specifications before they ever hit the press.

7.2 Material & Finish Options

No two workplaces are the same, and Clarion Safety offers a suite of substrates and finishes to match diverse environments:

Tamper-evident vinyl that reveals if a label has been removed or altered
Reflective sheeting for visibility under headlights or in dim lighting
Glow-in-the-dark films for emergency egress pathways
Anti-skid floor labels engineered for foot and forklift traffic

You’ll find options in vinyl, polyester, and specialty laminates, each printed with durable inks and UV-stable coatings to resist chemicals, abrasion, and weathering.

7.3 Pricing, Turnaround Times & Shipping

Clarion Safety keeps custom label orders accessible, offering minimal order quantities that suit both small businesses and large operations. Pricing scales with volume, and you can see per-unit costs update in real-time as you adjust quantities. For urgent needs, rush production is available, often delivering finished labels within days of proof approval. They also ship worldwide, providing international delivery options to ensure your custom labels arrive when and where you need them.

8. Amazon: Self-Adhesive Caution & Warning Sign Stickers

For businesses that need a fast, no-frills solution, Amazon’s marketplace offers an array of self-adhesive caution and warning stickers ready to ship. You’ll find everything from simple “Caution: Wet Floor” labels to multi-symbol kits covering pinch points, head-bump hazards, and high-voltage warnings. These products cater to small shops, contractors, facility managers—anyone who needs to grab a pack of stickers and get them on the wall or equipment today.

Amazon’s off-the-shelf approach means you don’t have to wait for proofs or custom quotes. Browse the Caution Label selection to compare dozens of options sold by multiple vendors. Pricing is competitive, and with user-submitted photos and reviews, you can often gauge adhesion quality, print clarity, and durability before you hit “Buy Now.”

8.1 Sticker Pack Varieties & Sizes

On Amazon, sticker packs range from single labels to bundles of 50 or more:

Standard packs of 3.5" × 5" caution signs, ideal for doors, cabinets, and machinery.
Multi-symbol kits that include a mix of “Warning,” “Caution,” and “Notice” stickers in assorted sizes.
Roll options—often 500-label rolls—for high-volume needs such as facility rollouts or maintenance crews.

Many listings specify whether stickers are die-cut or on a backing sheet, making it easier to peel and apply without fuss.

8.2 Adhesive Types & Installation Tips

Amazon sellers generally offer two adhesive grades:

Indoor-grade adhesives: stick firmly to clean, dry surfaces like painted metal, glass, and plastic but are not UV- or moisture-resistant.
Outdoor-grade adhesives: formulated to withstand rain, sunlight, and temperature swings; look for weatherproof or laminated labels.

Before application, wipe the mounting area with isopropyl alcohol to remove oils or dust. Press each sticker from one edge to the other to eliminate air bubbles and ensure full contact. When in doubt, check individual product descriptions for temperature-range ratings (for example, –4°F to 176°F) to confirm suitability in freezers, ovens, or outdoors.

8.3 Prime Shipping & Customer Reviews

One of Amazon’s biggest perks is Prime delivery: many sticker packs arrive in two days or less, letting you handle last-minute safety updates without delaying operations. If a product doesn’t meet expectations, easy returns and refunds minimize risk.

Customer reviews on Amazon often include star ratings, installation photos, and notes on adhesive strength or fade resistance. Pay attention to recurring comments about edge lifting or ink longevity—these details help you choose a sticker that holds up under real-world conditions.

9. MySafetyLabels: OSHA Danger Labels

When only the strongest warning will do, MySafetyLabels delivers a comprehensive range of OSHA “DANGER” labels designed for the most critical hazards in your facility. Their online catalog of OSHA Danger Labels features eye-catching designs that conform to regulatory specs and instantly alert employees to life-threatening risks, from high-voltage equipment to confined-space entry points.

Whether you need a pack of five tags for a small workshop or hundreds of decals for a multi-site rollout, MySafetyLabels makes it easy to find the right combination of size, graphic, and quantity. Every label meets OSHA and ANSI formatting requirements, so you can install them with confidence and avoid costly compliance gaps.

9.1 OSHA Danger Label Requirements

OSHA “DANGER” labels must follow strict formatting to convey immediate-hazard warnings. Key design elements include:

A red header panel spanning the full width of the label
The word “DANGER” in white, bold, uppercase letters
A black text panel below for descriptive hazard information
Standardized pictograms where required

MySafetyLabels’ templates adhere to ANSI Z535.4 guidelines, ensuring minimum text heights, symbol clearances, and contrast levels. By sticking to these visual standards, your labels remain unmistakable—even from a distance or in low-light areas.

9.2 Material & Weather Resistance

Harsh conditions won’t compromise these danger labels. Choose from:

Industrial-grade vinyl: waterproof and chemically resistant for indoor and outdoor applications
High-temperature polyester: tolerates extreme heat and won’t curl or peel in furnace rooms or engine bays
UV-stable inks and clear overlaminates: prevent fading under prolonged sun exposure

Each substrate is tested to resist abrasion, solvents, and moisture, so the red header stays vivid and the white text remains legible through routine cleaning or contact with oily surfaces.

9.3 Fast Shipping & Volume Discounts

MySafetyLabels understands that downtime isn’t an option when you’re updating critical safety warnings. In-stock danger labels ship within 24 hours, and you can choose standard or expedited delivery to meet tight installation schedules. Pricing scales automatically, so larger orders unlock volume discounts without the need for a custom quote. Whether you’re ordering a handful of decals or replenishing safety stations across dozens of facilities, you’ll see the per-unit savings reflected in your cart instantly.

10. Buying Guide: Key Factors for Selecting Warning Signs & Caution Labels Online

Choosing the right warning signs and caution labels involves more than picking the brightest color or the cheapest price. To ensure your facility stays safe and compliant, you’ll want to compare vendors and products across several dimensions—regulatory requirements, material performance, visibility, customization options, and cost. Use this buying guide to zero in on labels that fit your environment, budget, and compliance needs.

10.1 Compliance with OSHA Standards (1910.145)

OSHA Regulation 1910.145 sets the minimum requirements for accident-prevention signs and tags. Labels must feature the correct signal word—“Danger,” “Warning,” “Caution,” or “Notice”—and follow prescribed color schemes, lettering sizes, and border widths. For example, “Danger” signs require white text on a red header, with the hazard description in black on a white field. Placement rules vary by industry and hazard—electrical panel warnings go directly on the panel door, while floor markings need to sit within 3 feet of the hazard. Familiarizing yourself with the OSHA 1910.145 standard ensures your labels won’t trip up an inspection.

10.2 Adhering to ANSI Z535.4 Color & Symbol Guidelines

While OSHA provides the baseline, ANSI Z535.4 dives deeper into color palettes, symbol usage, and formatting conventions. ANSI specifies exact shades of red, orange, yellow, and green for different signal words, ensuring consistent hazard recognition across facilities. Pictograms must meet size and placement rules—symbols are typically no smaller than 1 inch square, with a clear space equal to 10% of the symbol height. By following ANSI’s signal-word hierarchy and layout templates, you’ll create labels that workers intuitively understand and that stand up to legal scrutiny. Check out this overview of ANSI Z535.4 guidelines to get the details.

10.3 Material, Durability & Environmental Considerations

Not all labels perform the same under harsh conditions. For indoor use—offices, cleanrooms, labs—standard vinyl or polyester often suffices. Outdoors or in chemical-processing areas, opt for UV-resistant inks, waterproof laminates, and substrates like industrial polyester or aluminum. If your labels will sit on curved piping or textured surfaces, flexible vinyl ensures a bubble-free application. Temperature extremes are another factor: some polyester films tolerate heat up to 300 °F and lows to –40 °F. Matching material properties to your workspace environment prevents fading, peeling, or outright failure when you need your safety messages most.

10.4 Visibility, Legibility & Size Requirements

A label is only effective if it can be read from the right distance. As a rule of thumb, every inch of text height buys about 10 feet of legibility—so a 1" tall “DANGER” header remains clear at 10 feet away. Reflective sheeting or raised letters can boost visibility in dimly lit areas or under vehicle headlights. Font choice matters, too: stick to sans-serif typefaces like Helvetica or Arial, which remain sharp at small sizes. Finally, consider mounting height—OSHA suggests placing signs between 3 and 5 feet above the floor, where the average eye level can catch them without obstruction.

10.5 Customization, Branding & Bulk Pricing

Many online vendors let you add your logo, adjust colors, or tweak messages to reflect site-specific procedures. While full customization can add to lead times and cost, it also reinforces your company’s safety culture and ensures the wording matches your protocols. If you’re ordering high volumes, look for tiered pricing—price breaks at 50, 100, or 500 units can deliver significant savings. And don’t overlook turnaround: digital proofing and fast-track production options keep your project on schedule, especially when deadlines are tight.

Choosing the Best Warning and Caution Labels for Your Needs

Selecting the right warning signs and caution labels comes down to balancing quality, compliance, and durability. High-grade materials—whether reflective sheeting for low-light areas or chemical-resistant polyester in industrial settings—ensure your messages stay legible under the toughest conditions. Equally important is meeting OSHA 1910.145 and ANSI Z535.4 specifications for signal words, color contrast, and symbol placement. Skimping on these details can lead not only to faded or peeling decals, but also to costly compliance headaches.

Every workplace hazard demands a tailored approach. Use “Danger” labels where immediate, life-threatening risks exist, such as high-voltage panels or confined-space entries, and reserve orange-and-black “Warning” decals for serious but non-lethal hazards. “Caution” signs work best for minor or moderate risks—think wet floors or pinch points—while “Notice” labels handle general reminders. Matching label type, size, and placement to the specific environment guarantees that your safety messages cut through the noise and reach the people who need to see them.

Ready to upgrade your facility’s visual communication? Explore Safety Decals’ custom options to find the perfect mix of materials, sizes, and designs. Whether you need a handful of stock decals or a full-scale safety audit and label rollout, request a quote today and make your workplace safer—one decal at a time.