Dog Muzzle with Round Mesh, Breathable Muzzle for Small, Medium and Large Dogs, Prevent Eating, Biting and Chewing (S, Black) Breathable and Adjustable: The dog muzzle is made of durable breathable mesh nylon, which allows your dog to breathe normally. It has an adjustable strap that allows you to adjust the strap for a perfect fit and stability. Overall Protection: The 363 overall design can cover the dog's mouth in all directions. The triangular fixed, more secure and anti-fall. Effectively prevent biting, licking and chewing. Quality and Safety: Practical and reliable dog muzzle, made of environmentally friendly PVC, odorless, comfortable and durable design, soft edge fabric, harmless to the skin. The ergonomic safety strap prevents the dog from removing it with its claws. Measurement: Measure the circumference of the dog's mouth and neck. We offer different sizes for small, medium and large dogs. Please check the size chart and choose the size that suits you.