NEW BRITE DOGGIE SET OF 2 DOG COLLARS LIGHT UP YOU PICK COLORS choose from blue, pink or green Measures 18” and adjusts down Pattern Dog Material Nylon Brand brite doggie Closure Type Button Product Dimensions 18L x 1"W NIGHT SAFETY: With up to 500m visibility, this light up dog collar is a potential lifesaver in the dark FITS ALL DOGS: Easy to attach and adjust. Made of strong nylon that's comfortable for your dog MADE FOR RAINY DAYS: Bad weather walks? No problem with your waterproof dog collar COIN BATTERY 3 LIGHT MODES: Toggle between slow flash, fast flash and steady using the power button