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 Comfortable& Breathable: The Muzzle Use Breathable Mesh Material Make The Dogs Feel More Comfortable And Breathable, And The Material Above The Nose Is More Soft Than Other Muzzle, Nylon And Breathable Mesh Material Can Reduce The Weight Burden Of Pets Protection: Using The Muzzle Can Effectively Prevent Dogs From Biting ,Eating Unclean Food And Hurting Others. Multipe Sizes；The Dog Muzzle Available In 5 sizes 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. Material: nylon Size Mouth Circumference Recommended Pet Weig XS 9-12cm 1.5-2.5kg S 12-15cm 2.5-4.5kg M 14-20cm 5-8.5kg L 18-24cm 9-12.5kg XL 22-28cm 13-35kg XXL 28-34cm 35.5-50kg Package include: 1pc Pets Muzzle