High-quality materials: The dog collar is made of plastic. It is resistant to falls and bites and does not harm the pet’s skin at all; Stainless steel hooks won’t rust even if it touches water. Easy to use: two simple modes - glow and flash. Press once to steady light, press twice for fast flash, third time for slow flash, fourth time to turn light off. Durable: Simply attach the light to your dog’s collar / cat, key ring, and anything with a hook or zipper. Press the power button to use it normally. Multi-use: attach the lightweight and durable Safe Light to your pet’s collar, or use it as a carabiner, keychain , locate tent lines and camping gear. Perfect Gift: Flashing LED Dog Collar Flash can provide flashing LED lights to keep your pets visible and safe on the go. night or low light; This bright led safety light is an ideal gift for dogs.