Product Material: PVC. Size Options: S (neck circumference 36-48cm, reference weight 19-27 catties, reference age August-December), M (neck circumference 46-56cm, reference weight 29-43 catties, reference age adult dog), L (neck circumference 55cm or more, reference weight 45 catties or more, reference age adult dog). Color: As shown in the picture. Quantity: 1 piece. Package Contents: 1*Dog muzzle. Adjustable strap with quick-release buckle, convenient and easy to use, anti-scratch design keeps it firm and not easy to fall off. Breathable mesh construction, skin-friendly, suitable for all kinds of short-nosed dogs such as bulldogs, Shih Tzu, Boxer, Shar-Pei dogs and Pugs. Durable construction allows for regular wash, soft mesh ensures no residues or marks left around. All-around cover of the dog's mouth stops biting, barking, licking and eating dirty foods from outside. Three-hole design provides wider view and smooth breathing, allows drinking and feeding while inhibiting biting, chewing and licking, ideal for vet visits and grooming.