Features: 1. It is made of durable polyester fiber and is comfortable to carry. 2. It can prevent dogs from chewing, biting, or barking, reduce pet anxiety, and is suitable for small, medium, and large dogs. 3. It is the perfect choice for training and daily use. 4. The adjustable belt can be adjusted quickly without being too tight. Specification: Name: Dog Muzzle Size: S, M, L, XL, XXL Material: polyester Mouth cord size: (approx.) S Mouth circumference: 8-20cm/3.15-7.87in Neck: 28-35cm/11.02-13.78in Connecting rope: 20cm/7.87in M Mouth circumference: 10-25cm/3.94-9.84in Neck: 33-40cm/12.99-15.75in Connecting rope: 24cm/9.45in L Mouth circumference: 12-30cm/4.72-11.81in Neck: 38-50cm/14.96-19.69in Connecting rope: 27cm/10.63in XL Mouth circumference: 15-34cm/5.91-13.39in Neck: 43-58cm/16.93-22.83in Connecting rope: 31cm/12.20in XXL Mouth circumference: 18-38cm/7.09-14.96in Neck: 48-65cm/18.90-25.59in Connecting rope: 35 cm/13.78in Packing List: Dog mouth cover*1 Connecting rope*1 Notes: 1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color which is showed in the pictures. 2. Please forgive a slight measuring deviation due to manual measurement. Washable and Lightweight: Our dog muzzle is made of high-quality polyester material, which is durable, washable, lightweight, sturdy, and not easy to fade. Change Dog Behavior: The dog mouth cover can prevent your pet dog from chewing, biting, or barking, and reduce pet anxiety and stress, which doesn't hurt its mouth. Adjustable Straps: Our dog muzzles have an adjustable strap, which can be adjusted quickly and not too tight. Dogs can drink water, breathe and breathe normally, which is more comfortable to wear. Easy to Wash: The dog mouth muzzle is easy to clean, use warm or cold water to add detergent to rinse it off, and keep it dry in a cool place for your next use, which greatly saves you time and energy. Multiple Uses: The puppy muzzle is designed for widely used and can be used for aggressive and energetic dogs, and it is the perfect choice for training and daily use to prevent biting.