Dogit Nylon Dog Muzzle helps control biting, barking and chewing while permitting drinking and panting. Strong, but soft, nylon construction. Can be either machine or hand-washed. Dogit Nylon Dog Muzzle - Black, Small, 12cm (4.7"). Strong, washable nylon construction. Suitable for Whippets, Jack Russells, Dachshunds.