SizePlease measure your dog's nose size with a tape measure before placing an order, and then choose the appropriate size according to the reference size. Size M, front muzzle length 9.1 inches (23cm), dog muzzle length 3.1 inches (7.8cm), back muzzle length 11.8 inches (30cm), please forgive me for slight errors due to manual measurement. Comfortable and Adjustable4 adjustable straps, which can be adjusted to fit the dog's mouth for comfort, in addition, the straps can be re-perforated to fit the dog's size. High-Quality MaterialThis is a metal basket muzzle, made of high-quality metal, strong and durable, no rust, high-quality breathable leather, comfortable and strong. Simple and FashionableIt is not only a fashion for dogs to wear such accessories, but also a legal requirement. Let your four-legged friend not be afraid of others, choose this stylish and beautiful base. Quality ServiceIf you are not satisfied with the product, please contact us as soon as possible, we are committed to providing you with the best service. (hole punch not included)