Prestige Adjustable Nylon Puppy Collars are made from single ply premium quality nylon in 3/8" width, which is pliable and comfortable for puppies. These collars feature box stitching at stress points to provide ultimate strength and black plastic contoured quick release buckles with nickel plated D-rings for a convenient fast and easy buckle up and off. Being adjustable, it is an ideal collar for growing pets.