DINGANG Adjustable Fashionable Flashing Nylon LED Light Pet Dog Safety Collar,6 Colors to Choose Very comfortable to wear,adjustable pet collar, easy and convenient to use safety collar helps incoming cars and traffic see both you and your pet in the dark Made of fiber optic and nylon fabric for maximum durability and protection from water Ideal for walking at night and having fun our highly visible dog collars give off a cool and attractive glow