Product description Material: Nylon Color:Red, black, gray Muzzle Sizes Map: M - Snout Circumference: 14-12 cm L- Snout Circumference: 18-24 cm XL-Snout Circumference: 22-28 cm Package content: 1*pet anti-bite dog muzzle 1.Adjustable& Secure: The Dog Muzzle Is Adjustable, And The Nylon Neck Strap Is Easy To Wear And Install. A Plastic Buckle On The Neck Strap Which Prevent The Muzzle Falling Off. 2.Comfortable&Breathable: The Muzzle Use Breathable Mesh Material Make The Dogs Feel More Comfortable And Breathable,And The Materrial Above The Nose Is More Soft Than Other Muzzle,Nylon And Breathable Mesh Material Can Reduce The Weight Burden Of Pets. 3.SAFE: Ergonomically shaped seat belts ensure the muzzle stays securely in place and provide an easy to fit and secure buckle. 4.Multipe SizesThe Dog Muzzle Available In 3 sizesM,L,XL Can Be Adjustable To Be Used For All Dogs Including Tiny And Gint Breeds ,If Your Dogs Circumference Is Between Two Sizes, Smaller Size Would Be More Suitable. 5.Attention: Most Dogs Don& 39;t Adapt To Wear Muzzle At The Beginning, So We Have To Take Time To Make Them Adapt Muzzle Patiently.