Long Nylon Muzzle - Rottweiler For dogs 120+ lbs - 9.5" Royal An expanded line of quick-release muzzles. SAFETY-Muzzles fit securely with quick adjusting straps for a snug fit. COMFORT-Lightweight nylon feels and looks more professional than gauze roll. QUALITY-Reinforced stitching to assure long-lasting use. Available in 18 sizes. Snout circumference is the best measurement for determining muzzle size.