uxcell Puppy Pet Adjustable Snout Strap Soft Mesh Dog Muzzle Size M for Barking Biting Size M Anti-Bark Mesh Muzzle: 16~18cm ( 6.3~7.1 inch) Color: black;The patented design of this cordura nylon muzzle features a special insert of welded fishnet plastic mesh Weight: 41.1g;Allows dogs to breathe normally;Muzzle slips on quickly, snaps closed, and has an adjustable, woven nylon strap To measure snout girth, place measurement near your dog's nose and wrap around the snout. Open front allows for easier panting and breathing