Niteangel Quick Fit Nylon Dog Muzzle, Adjustable Loop, X-Large, Black Made of quality nylon, strong and durable. Well-fitting, comfortable muzzle. Easy to use well designed durable head collar provides control to stop pulling, jumping, lunging. Allows freedom to pant and yawn. Most suitable for Large size dogs. Snout strap: 9 - 13.4 in (23 - 34 cm); Neck strap: 9.4 - 11.8 in (24 - 30 cm).