UDTEE Durable/Practicle Quick Fit Black Nylon Grooming Pet Dog Muzzle with Adjustable Straps,Size:X-Small,Small,Medium,Large,X-Large,XX-Large,XXX-Large Package included:1PCS Small size black nylon dog muzzle. Fits Snout circumference:S:17-20cm Measure around snout near nostrils, under chin, over nose Quick Clip Adjustable Strap Remember: never leave your dog unattended while wearing muzzle.