LED KNDY Multipurpose Button Activated Waterproof LED Stickers  (Pack of 4) Button activated LED light stickers with 3 light modes (fast blink, slow blink, on) Waterproof & tiny, they stick to anything so you can get creative with how you use them Use on: helmets, bicycles, scooters, skateboards, Frisbees, drones even your dogs tags Who said being safe can't be cool Choose one of our 4 colors or get them all in one pack