SizePlease measure your dog's nose with a tape measure before placing your order, then choose the correct size according to the reference size. Size L, front mouth length 12.6 inch (32cm), dog mouth length 5.1 inch (12.9cm), back mouth length 15.7 inch (40cm), as it is measured at the hand, please understand if there is a slight error. Comfortable and Adjustable4 adjustable straps that can be adjusted to fit the dog's mouth for comfort, plus leather straps can be re-drilled to fit the dog's size. Material QualityThis is a metal basket muzzle, made of high quality metal, solid and durable, no rust, fine breathable leather, both comfortable and strong. Simple and elegant It is not only a fashion but also a legal requirement for dogs to wear such accessories. Make your little four-legged friend not afraid of others and choose this elegant and beautiful base. Quality of service If you are not satisfied with the product, please contact us as soon as possible, we are committed to providing you with the best service. The hole punch Take out the hole punch we provide, put it on the strap, and hit it with a hammer, remove the punch and see if it works, punch it as hard as you need, with the new hole, the muzzle will fit your dog better. Reminderthere may be product defects during transport, and tell you that it is a good product.