Coco*Store Pet Protection Small Dog Muzzle Quack Duck Bill Design Package Included: 1 x Pet dog muzzle For the mouth around 10.5cm, Neck circumference 12-30cm, Muzzle height 4.5cm For the mouth around 15.5cm, Neck circumference 14-34cm, Muzzle height 6cm For the mouth around 16.5cm, Neck circumference 17-40cm, Muzzle height 7.5cm