More convenient design: With this muzzle, they can smell everything but eat nothing and avoid eating anything they find outside Muzzle guards for dogs are a humane way to prevent bites, barking, chewing and other bad habits while keeping your dog dressed for maximum safety, comfort and protection Please measure the size: 3 sizes: Size S, M, L Neck circumference S: 36cm48cm, recommended for dogs 9.5kg-13.5kg M neck circumference: 46cm56cm, recommended for dogs 14.5kg-21.5kg L neck circumference: 55cm or more, recommended for dogs over 25kg The more humanized structure is different from the traditional dog mask, wearing a dog brace can provide enough breathing space for the dog's mouth, stick out the tongue, pant and drink the water, the mouth does not hurt, suitable for French/English Bulldogs, Pugs, Boston, Shar Pei and other dogs with short noses FABRIC MORE COMFORTABLE Made of breathable mesh and soft fabric that prevents the mesh from rubbing against the eyes and nose. Durable nylon material, not overheating, soft and breathable, no smell, no irritation, make dog's mouth comfortable Adjustable shoulder strap Adjustable nylon strap and safety buckle can be adjusted according to head size, it is not easy for dogs to take off, suitable for daily outing, training, walking and other outdoor activities