PERFECT DESIGN - Breathable mesh design with tongue, puppies can breathe freely. Triangular fixing, firmer and anti-fall. Effectively prevent biting, chaos and chewing. HIGH QUALITY MATERIAL -- The dog muzzle is made of environmentally friendly PVC material, which is odorless, breathable and comfortable, and the edge fabric is soft and durable to wear, and it has no harm to the skin. ADJUSTABLE STRAP -- The dog muzzle has an adjustable strap that allows you to adjust the strap to fit snugly to hold it stable and ensure that it will not be removed by your dog. SUITABLE FOR DOGS WITH LONG Muzzles - This secure muzzle is ergonomically designed for dogs with long muzzles. Suitable for Golden Retriever, Border Collie, German Shepherd, Labradors, Corgi and other long snout dogs.