?High-quality materials: Made of soft silicone with good elasticity, the dog collar light can achieve a certain degree of waterproof and anti-fall effect, but do not place the collar light to pet in the same place wet it or soak it in water to ensure long time use. ?Easy to use: There are three modes of dog collar safety light, constant light, fast flash, slow flash, adjustable by buttons. CR2016 button batteries can last 30 hours and are very easy to replace. ? Lightweight and Durable: Lightweight design, won’t burden your pet, can come into direct contact with pets. Abrasion resistant and durable. 4 colors to choose from: red, blue, green, pink. ?Wide Applications: The dog collar flashing light is convenient to find the pet’s position when you go out at night, and also fun to wear on the kids bike; It can also be applied to a short-term light source when cycling, camping and hiking, or you can use it as a keychain. ?Package includes: The package includes 4 LED silicone dog collars