Downtown Pet Supply Quick Fit Dog Muzzle with Adjustable Straps, black nylon, Size 0, Size 1, Size 2, Size 3, Size 4, Size 5, Size 3 XL, Size 4 XL, or Size 5 XL See HOW TO MEASURE your dog under the Description below or contact seller Size 4XL, fits snout size 10 3/4" Top of muzzle measures: 2 1/4" Bottom of muzzle measures: 5 1/4" Strong nylon fabric, quick fit dog muzzle Remember: never leave your dog unattended while wearing muzzle. Machine gentle wash cool Tumble dry on low