Wire Cage & Leather Muzzle (Miami). Size J2, Black. 9" circumference, 3.66" length. Best fits small dogs with longer snouts like: Dachshunds 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 small dogs with longer snouts like: Dachshunds 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