Features: 1.Strong And Durable: Headcollar dog muzzle is made of premium nylon material that can withstand daily use, resists pulling and is durable. 2.Comfortable Design: This head collar dog muzzle has a padded design at bridge of the nose to keep your pet comfortable. 3.Adjustable: Designed with adjustable straps to fit different head shapes. However, it does not fit bulldog and all other dogs with short noses. 4.Front Control: Dog anti biting muzzle is designed with a front control that allows you to stop pulling by controlling the direction of the dog from the head. 5.Breathable: This dog muzzle covers less area to ensure better breathability. Your dog can pant and smell to his heart's content, while ensuring safe. Specification: Item Type: Headcollar Dog Muzzle Material: Nylon, Metal Buckle PackageList: 1 x Headcollar DogMuzzle Note 1. Manual measurement, please allow 0.4?0.7in error. 2. Because dogs can be anxious about wearing a muzzle at first. Try to remove the muzzle or bite through it. 3. Put your index finger under the tape measure to make sure there is enough room for your dog to be comfortable. Your dog must be able to pant and have his tongue free to move. 4. Measure the circumference of your dog's mouth and neck. Please check the size chart to choose the right size. Please check carefully before purchasing.