CatYou Avoid Barking Chewing and Biting, Adjustable Nylon Dog Pet Safety Mouth Cover Mask and Muzzle Snout Girth: L (7.0"-9.5", Suitable for 11-22 LB dogs); XL (9.0"-11", Suitable for 22-40 LB dogs) Material: 100% Brand New and High Quality Nylon + Polyester / Plastic, Breathable fabric Can be used on dogs for avoid barking, chewing and biting while your dog outside Fully adjustable strap with quick-release buckle, 2 Size, easy to put on and difficult for dogs to remove with their paws With a fully adjustable strap and quick-release buckle, each muzzle is crafted in strong nylon fabric, lined with chafe-free inner seams for comfort