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JAMBADGE logo — cartoon warning-triangle mascot
12k+stuck on
cars
JAMBADGE prank warning sticker
Weatherproof
The original prank warning sticker

Stick it on.
Watch them lose it.

4.8· 12,000+ stuck on cars · 2,417 reviews

The fake “warning” sticker that turns your boring car into the funniest thing on the road — double-takes, belly laughs and “where’d you get that?!” at every red light.

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Secure checkout · Trusted by 12,000+ happy pranksters worldwide

The original viral warning label — die-cut in premium weatherproof vinyl. Slap it on your car, toolbox, laptop or helmet and watch the double-takes roll in.

  • Premium weatherproof vinyl
  • UV, oil & dirt resistant
  • Tear-proof & car-wash safe
  • Residue-free, paint-safe removal
  • Perfect 4" × 3" size
  • Ships in 24 hours
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As seen all over the internet

12,000+
Stuck on cars
4.8
Average rating
30M+
Views online
Idiot-proof

On in 10 seconds

No tools. No heat gun. No mess. If you can peel a sticker, you can pull off the prank of the year.

1

Clean

Wipe the surface with a clean, dry cloth so it's free of dust and grease.

2

Peel

Carefully peel the badge off the backing — try not to touch the adhesive.

3

Stick

Press firmly from the centre out, smoothing any bubbles. Done in 10 seconds.

Don't take our word for it

What the pranksters say

4.8

Based on 2,417 reviews

MT
Marcus T. Verified buyer

Best $20 I've spent all year

Put one on my buddy's truck as a joke. Took him THREE DAYS to notice, then he sent me a photo absolutely losing it. The quality is legit too — thick vinyl, not flimsy.

DR
Danielle R. Verified buyer

My boring commuter has a personality now

The kid at the drive-thru read it out loud and could not stop laughing. Handed me my coffee with a huge grin. Instant mood-lifter every single morning.

KM
Kev "Sideways" M. Verified buyer

Two car washes later, still perfect

Two automatic car washes and a 600-mile road trip and it still looks brand new. Way better than the cheap ones I've bought before that curled up in a week.

Questions? Answered.

Everything you need to know

We ship within 24 hours, Monday to Saturday. Standard delivery is 5–8 business days in the US (7–12 international), and shipping is free on all orders over $15 — which covers every JAMBADGE bundle. You'll get a tracking link by email the moment it leaves our warehouse.

Still curious?

Email us at hello@jambadge.com

Ready to be the funniest car on the road?

From $4.44 a sticker · free shipping over $15 · 30-day money-back guarantee.

30-Day Guarantee Free Shipping $15+ Ships in 24h