Soft Dog Muzzle Anti-Bite Anti-Barking Mesh Breathable Pet Muzzle Gray M Product Description Material: Nylon Color: Black, Gray Muzzle Size Chart: M (suitable for dogs with a mouth circumference of 14-20cm and 10-18 cats) L (suitable for dogs with a mouth circumference of 18-24cm and 18-40 pounds) XXL (suitable for dogs with a mouth circumference of 28-34cm and 65-100 cats) Package Contents: 1 * Pet Anti-Bite Dog Muzzle The dog muzzle is adjustable, and the nylon neck strap is easy to wear and install. The plastic buckle on the neck strap prevents the muzzle from falling off. 2. Comfortable and breathable: The muzzle is made of breathable mesh material, which makes the dog feel more comfortable and breathable, and the material above the nose can reduce the weight of the pet more than other muzzles, nylon and other materials. 3. Safety: The ergonomic safety strap ensures the muzzle is securely fixed, and provides a buckle for easy installation and fastening. 4. Multiple Sizes The muzzle is adjustable in 3 sizes: M, L, XXL, suitable for all dog breeds, including Tiny and Gint breeds. If your dog's waist size is between two sizes, the smaller size will be more suitable. 5. Note: Most dogs are uncomfortable wearing a muzzle at first, so we need to spend some time and patience to let them get used to the muzzle.