FOUR FLAGS MUZZLE CHOW/SHORT NOSED MUZZLE BLUE - SMALL SNOUT 8.5 inch Four Flags Over Aspen. Hand made for quality and care,Although Four Flags shipped 100,000 dog and cat muzzles last year, there are only two small sewing machines on the premises. Helps veterinarians and a variety of animal-handlers minimize one of their major occupational hazards - puncture wounds from sharp teeth. REMEMBER:QUICK MUZZLES ? are designed to aid in the control, treating and training of your pet. Never place total reliance on one form of control. Size Snout Meas. Weight Breeds - For the average-size dog of that breed. XXS 3.5" up to 5 lbs. Chihuahua, Pomeranian, Toy Terrier, Poodle, Spaniel XS 4.5" 5-10 lbs. Toy Poodle, Bichon Frise, Maltese, Miniature Pinscher Small 5.5" 10-25 lbs. Miniature Poodle, Papillon, Dachshund, Silky; other small Terriers Medium 6.5" 25-45 lbs. Pinscher, Beagle, Welsh Corgi, Scottish & other mid-weight Terriers Large 7.5" 45-60 lbs. Siberian Husky, Dalmatian, Irish Setter, Spaniel, Pointer X-Large 8.5" 60-80 lbs. Setter, Shepherd, Doberman, Golden & other Retrievers XXL 10" 80-100 lbs. Malamute, Small Bullmastiff, Giant Schnauzer XXXL 11" 100-120 lbs. Bullmastiff, Wolfhound, Newfoundland, Great Pyrenese 4XL 12" 120-150 lbs. Great Dane, Neapolitan Mastiff, St. Bernard 5XL 14" 150-200 lbs. Large Neapolitan Mastiffs & St. Bernard LONG SNOUTED Snout Meas. Weight Breeds - For the average-size dog of that breed. Small 4.5" 10-25 lbs Small Sheltie, Miniature Poodle, Whippet, Poodles Medium 5.5" 25-45 lbs. Sheltie, Small Greyhound, Terrier Large 6.5" 45-60 lbs. Collie, Large Greyhound, Saluki, Afghan PUG Snout Meas. Weight Breeds - For the average-size dog of that breed. Small 5-12 lbs Pekingese, King Charles Spaniel, Japanese Chin Large 12-30 lbs Pug, Boston Terrier, Shih Tzu, Lhaso Apso CAT Snout Meas. Weight Small Under 6lbs Medium 6-11 lbs Large Over 11 lbs