Dogs My Love Nylon Dog Muzzle Adjustable Black Well-fitting, comfortable dog muzzle is made of high quality nylon. Adjustable snout circumference and neck strap For sizing measure around snout near tip of the nose Available in three sizes: Small: 5.5"-7.5" Snout; Medium: 7.5"-10.25" Snout; Large: 10"-13.5" Snout