Buster nylon dog muzzle.. The buster nylon dog muzzle is designed to offer control to the handler and comfort for your dog. The head strap is adjustable for improved fit and allows for drinking, while also preventing removal by the dog. Strong nylon fabric which is strong and flexible.. Quick fit catch.. Inhibits biting, chewing and barking.. Allows panting and drinking.. ​made from polypropylene, strong and comfortable material. Easy to fit securely, strong with handy snap lock. Machine washable at 30° c s. Suitable for dog breeds such as. Size 0 yorkshire terrier, mini poodle. Size 1 west highland white terrier, jack russel, dachshund. Size 2 border collie, beagle, cocker spaniel. Size 3 labrador retriever, german shepherd, dobermann. Size 4 wolfhounds, great danes, pyrenean. Size 5 rottweiler. Size 6 extra long for large wolfhound, great dane. Size 7 extra long for large rottweiler. Size 8 boxer, special model for short nosed dog breeds