CollarDirect Basket Dog Muzzle for Boxer, English Bulldog, American Bulldog Secure Leather Muzzle Handcrafted genuine leather Dog Muzzle was made for Boxer, English Bulldog and American Bulldog. Also this muzzle could be used with other breeds. This muzzle has 2 adjustable straps. Made out of genuine leather. Please measure circumference and length of your dog's snout. A - is circumference of dog's snout. B - length of dog's snout. A is 13". B is 3". If you have any questions please do not hesitate to contact us.