Eliminate dog collar odor with this 100% waterproof collar that won't harbor odor-producing bacteria. Regardless of what your dog likes to get into, these collars will hold up against the smell. Our waterproof dog collars are designed to look great while being extremely rugged, extremely easy to clean, and easy to maintain. Enjoy hugging your dog without the smell of a stinky wet collar. Urethane coated polyester. Washable. USA.