BXT Starsource Pet LED Flash Light Dog Cat Pup Night Safety Walking Collar,from Size:XS-XL &:Durable Reflective Nylon Webbing.100% Brand new, high quality. &:3 colors avaliable:Red,Blue,Green.5 Size to be choose from XS,S,M,L,XL. &:Easy to put on and take off.Batteries are replaceable.Waterproof and washable. &:Adjustable, shock resistant, long battery life up to 80 hours. &:Visible over 300 meters.Powered by 2 CR2032 button batteries (included). &:4 Modes: steady on, flashing quickly and flashing slowly,off.With one switch control.