This basket style muzzle made by Guardian Gear has a high level of safety when working with aggresive dogs. Comes with adjustable nylon strap and quick release buckle. Comes in a variety of sizes ranging from XXX Small to XL. Measure around your dogs snout, XXX Small is 7" around, for each added inch, go one muzzle size up, medium is 12" large 13" and XL is 15".
