UCEC 4set Cute Smile Face Reflective Safety Stickers Reflector Decal for Bikes, Cars, Children - 5cm Diameter High-quality and weatherproof reflective decal Made from the same 3M material used in road signs Can also be used for children's walking, home to school safety accessory Can be attached to backpacks,clothing, bikes, helmets, scooters and cameras etc. Provides extra visibility in dusk and dark situations