Material Made of high quality leather, durable and sturdy, suitable for dogs. Breathable air hole design, breathable when laying. Adjustable Adjustable on the side straps and the bottom strap under the mouth. It has a quick release buckle and the leather loop on the back attaches easily to the belt. Useful - Helps prevent biting, barking and chewing dogs. Stay with the dog to protect your children, and also protect your dog from the remains of the street. Applicable - Suitable for small to medium-sized dogs and large dogs. Please measure your dog’s muzzle to ensure the muzzle is the correct size, see the size chart in the image for details. Best choice for pets: The collar is adjustable, so don’t worry about it being too tight or too loose. Do not wash by hand, do not put in the washer or dryer. Ventilation hole design, breathable and comfortable, your dog will not feel hot. Measure your dog’s mouth before purchasing. L- [recommended 50-75 kittens] for dogs. Package content: