Features: 1.Made of soft breathable mesh and soft fabrics, it can limit your dog's bad habits such as biting, barking, chewing, and at the same time make your dog comfortable to wear without hurting its mouth. 2.The dog muzzle is adjustable, and the nylon neckband is easy to wear and install. The plastic buckle on the neckband prevents the mouthpiece from falling off. 3.The humanized design solves the inconvenience caused by traditional dog masks that do not drink water. You can leave an appropriate space for the dog's mouth to breathe, breathe and drink. 4.This dog muzzle adopts an upgraded design with reflective tape, which makes it safe to walk the dog at night and provides additional visibility in low?light environments. 5.Easy to wear and washable, the combination of buckle makes it easy for dogs to put on a protective cover. It can be machine washed and laid flat to dry. Specification: Item Type: Dog Muzzle Material: PP+PE Size: XS: Mouth Circumference: Approx. 9-12cm/3.5-4.7in S: Mouth Circumference: Approx. 12-15cm/4.7-5.9in M: Mouth Circumference: Approx. 14-20cm/5.5-7.9in L: Mouth Circumference: Approx. 18-24cm/7.1-9.4in XL: Mouth Circumference: Approx. 22-28cm/8.7-11.0in XXL: Mouth Circumference: Approx. 28-34cm/11.0-13.4in PackageList: 1 x DogMuzzle Note Please Allow 1?2cm/0.4?0.8in Error for Manual Measurement. Note: If your dog's circumference is between two sizes, please choose the larger size. If you have any questions, please contact us. Not suitable for dogs with short mouths, such as the mouth circumference of a pitbull.