Wire Cage & Leather Muzzle (Miami). Size 5, Black. 11" circumference, 4.25" length. Best fits mid-size dogs like: Schnauzers, Weimaraners Constructed of 100% genuine cowhide and metal Available in Black and over 25 sizes to fit practically every breed Felt-lined nose guard for comfort; Well ventilated and allows for dogs to drink Best fits mid-size dogs like: Schnauzers, Weimaraners To fit correctly, measure: length from dog's eyes to the tip of the nose; circumference from 1 inch below the eyes and around the snout