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Custom Warning Stickers
Custom warning stickers put your safety message exactly where people need to see it, on the machine, the panel, the product, or the doorway. Use them for equipment hazards, electrical and HVAC panels, product warnings, and facility rules. We print your warning labels in full color on outdoor-rated polyester with a protective laminate, so the message stays bold and readable for years. Order any size or shape, add your logo or a bilingual message, and get lower pricing per sticker as your quantity goes up. Most orders ship free in 5 business days.
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Next: Checkout / Upload Art
Ordering Custom Warning Stickers is Easy
Select a size, checkout
Select any size and quantity. Upload art during the checkout process.
Approve Proof
We will send you an online proof prior to printing. Make changes until you are happy.
Orders ship free in 5 days
Most orders ship in 5 business days or less via free ground shipping
Rush Options Available
Need your stickers faster? Contact us about rush options.
Warning Stickers – Product Details
Product Info
Material Type
White polyester
Laminate
Gloss
Adhesive
Permanent
Total material thickness
5 mils
Finishing Details
Cut Style
Custom die cut shapes
Back slit liner?
Yes
Backprint available?
No
Outdoor Lifespan
4 - 5 years
Production Info
Production Time
5 business days
How much is shipping?
Free ground shipping
Rush options available?
Yes. email hello@comgraphx.com
Further customized options?
Yes. email sales@comgraphx.com
Features of Warning Stickers
Bold colors that stay bold
A warning nobody can read isn’t a warning. We print with UV-resistant outdoor inks and seal every sticker under a protective laminate, so your reds, oranges, and yellows stay bright through sun, rain, and daily wipe-downs.
Sticks where the hazard is
Our adhesive grips metal, plastic, painted, and powder-coated surfaces so the warning stays right next to the hazard. Working with oily, textured, or high-wear surfaces? Step up to our heavy duty stickers.
Made in the USA
These stickers are made in Broken Arrow, OK by a hardworking group of men and women just like you.
How to Design a Warning Sticker People Actually Read
A warning sticker gets a glance, not a read. People see it for a second or two while they’re working, so the layout has to do the job fast.
Lead with the signal word. Start with DANGER, WARNING, CAUTION, or NOTICE in a bold header panel. It tells people how serious the hazard is before they read anything else.
Use the right color. Safety colors are familiar for a reason. People recognize them before they read the words. See the signal word guide below.
Add a symbol. A simple pictogram (hand pinch, electrical bolt, hot surface) gets the point across faster than text and works for people who don’t read English.
Keep the message short. Say what the hazard is, what can happen, and how to avoid it. “Moving parts can crush hands. Lock out before servicing.” Skip full paragraphs.
Go bilingual when you need to. English and Spanish on one sticker is common on job sites and in plants. Size up one step to keep both languages readable.
Size for the distance. A sticker read from arm’s length can be small. One read from across a shop floor needs bigger letters. The size guide below gives a starting point.
Following ANSI Z535 or ISO 3864 formatting? Send us your layout and we’ll print it as designed. Not sure how to set up your file? Email us at hello@comgraphx.com and we’ll walk you through it.
Warning Sticker Signal Word Guide
Signal word | Color | When to use it |
|---|---|---|
DANGER | Red | A hazard that will cause death or serious injury if not avoided |
WARNING | Orange | A hazard that could cause death or serious injury |
CAUTION | Yellow | A hazard that could cause minor or moderate injury |
NOTICE | Blue | Important information not tied to injury, like equipment damage or policy |
Warning Sticker Size Guide
Size | Best for | Readable from about* |
|---|---|---|
2″ x 3″ | Small tools, handles, product housings, and control buttons | 1–3 ft |
3″ x 5″ | Machine guards, appliance and product warnings | 3–5 ft |
4″ x 6″ | Electrical panels, HVAC units, and equipment doors. Most popular. | 5–8 ft |
5″ x 7″ | Large equipment, tanks, and bilingual messages | 8–12 ft |
7″ x 10″ | Doors, vehicles, trailers, and facility entry points | 10–15 ft |
*These ranges assume the signal word and main message fill most of the sticker. More text means smaller letters and a shorter reading distance.
Need a size not listed? Choose “Custom size” and we’ll cut your warning stickers to any size or shape. Need a full wall sign instead? See our custom PVC signs for indoor safety signs and custom aluminum signs for outdoor ones.
Custom Warning Stickers for Every Industry
Equipment & Machinery
Pinch points, moving parts, lockout/tagout, and guard warnings for factories, shops, and job sites. For constant handling and oil exposure, see our equipment stickers.
Electrical & HVAC
High voltage, arc flash, disconnect, and “service by qualified personnel only” stickers for panels, condensers, and furnaces. Contractors, add your logo and phone number.
Product Warning Labels
Hot surface, choking hazard, sharp edge, and operating warnings for manufacturers and brands. Need them on rolls for a label applicator? See our custom labels.
Facilities & Warehouses
PPE required, authorized personnel only, forklift traffic, and no smoking stickers for doors, racks, and columns.
Vehicles, Trailers & Fleet
Stay back, wide turns, no riders, and hitch or tongue weight warnings that hold up to road grime and washing.
Rental & Outdoor Equipment
Operating instructions, fuel warnings, and “read manual before use” stickers for rental fleets, lifts, mowers, and generators. Pair them with branded ID stickers so every unit comes back to you.
Warning Stickers vs. Heavy Duty Stickers vs. Safety Signs
Not every warning needs the same material. Here’s how to choose.
Warning stickers (this page) are the right fit for most equipment, panels, products, and doors. They’re thin enough to wrap gentle curves and tough enough for years outdoors.
Heavy duty stickers are nearly three times as thick with an ultra-aggressive adhesive. Choose them for oily, textured, or high-abrasion surfaces like heavy equipment and oil field gear. See our heavy duty stickers.
Safety signs are rigid panels that mount to a wall or post. Use them when the warning needs to be seen from a distance. See PVC signs for indoors and aluminum signs for outdoors.
Warning stickers | Heavy duty stickers | Safety signs | |
|---|---|---|---|
Best for | Equipment, panels, products | Rough, oily, high-wear surfaces | Walls, doors, posts, fences |
Thickness | 6 mil polyester | 14 mil vinyl | 1/8″ PVC or .040″ aluminum |
Adhesive | Permanent | Ultra aggressive | Tape, screws, or standoffs |
Outdoor life | 3–5 years | 3–5 years | Indoor (PVC) / years (aluminum) |
FAQs for Custom Warning Stickers
We print your warning stickers exactly as designed, including ANSI Z535 and ISO 3864 style layouts, signal words, and safety colors. Your safety team decides which warnings and wording your site needs. Want help setting up the layout? Our art team can format your file for free.
Danger (red) is for hazards that will cause death or serious injury. Warning (orange) is for hazards that could cause death or serious injury. Caution (yellow) is for hazards that could cause minor or moderate injury.
Yes. The terms are used interchangeably. “Warning label” is more common for products and packaging, and “warning sticker” or “warning decal” is more common for equipment and vehicles. They’re the same product.
Yes. Our warning stickers are printed on outdoor polyester with UV-resistant inks and a 2mil gloss protective laminate, and typically last 3–5 years outdoors. For harsh environments, choose our heavy duty stickers.
Metal, some plastic, painted, and powder-coated surfaces, plus glass. For best results, clean the surface with rubbing alcohol and let it dry before applying. For rough or textured surfaces, use our heavy duty stickers.
Yes. Many customers add a logo, phone number, or equipment ID so the sticker does double duty as branding. HVAC and rental companies do this all the time.
Yes. English and Spanish on one sticker is one of our most common requests. We recommend going up one size so both languages stay easy to read.
Yes. Warning stickers can be cut as squares, rectangles, rounded corners, triangles, or any custom die cut shape.
No. You can order as little as 1 sticker. Pricing adjusts automatically, so larger orders come out to a lower cost per sticker.
Yes. Manufacturers, fleets, and facility managers order the same warning stickers across sites all the time. For ongoing or high-volume orders, our CGPro B2B team can set you up with dedicated account management and bulk pricing.
Yes. We keep your art on file. Use our Reorder page to run the same stickers again without re-uploading.