Product description Material: PU leather Color: black, brown S: 14-18 cm front mouth circumference, 18-22 cm rear mouth circumference, 21-33 cm rear head, suitable for a weight from 8-25 kg M: The front mouth circumference is 19-22 cm, the back mouth circumference is 23-27 cm, the back head is 24-36 cm and the weight is 20-50 kg. L: The the front circumference of the mouth is 23-26cm, the back circumference of the mouth is 29-33cm, the back of the head is 31-40cm, and the suitable weight is 45-75kg. Package content: 1 * leather -Anti-bite and anti-dog mouth cover 1. Material - Made of high quality leather, durable and sturdy, skin-friendly, suitable for dogs. Mesh design, good ventilation. The metal rivet keeps the snout in place for secure comfort for your pet. 2. Breathable- Air holes design, it is breathable when put on. It also allows the dog to eat enough to open to their mouth and prevent them from chewing any more. 3. Adjustable- It is not only suitable for the side strap, but also for the bottom adjustable strap under the mouth. It has a quick release buckle, the leather strap on the back is easy to snap on the leash. 4. Useful- Help get the dog from bite to stop - around the dog's barking and mouth. Protect your children when they stay with dogs too, you can protect your dog from the food at a later time on the street. 5. REUSABLE- These anti-bite muzzles come with a fully adjustable strap and buckle. This design helps you put on easily or quick release. It is very convenient and easy to adjust the right size for your dog. In addition, the material is wear-resistant, stain-resistant and easy to clean, so it can be used again and again.