A temporary reliable restraint ideal for grooming, training and treating your dog. This pug nose muzzle is made out of durable, washable nylon fabric. The size small usually fits Pekingese, Lhasa Apso and other small pug-nosed breeds weighing 5 to 12 pounds. The size large usually fits Boston Terrier and other large pug-nosed breeds weighing 12 to 30 pounds. This is a grooming muzzle and will sometimes cover the dogs eyes.