TemporaryUse Muzzle Reduced the risk of dog bites. Ideal for shortterm control, grooming and medicating. Made of nylon pack cloth. Machine gentle wash cool, tumble dry on low. To Apply: Adjust strap to approximate fit. Working from behind the dog's head, hold straps, slip muzzle over snout. Place straps around neck. Snap buckle. Pull strap snug. TO RELEASE: Pinch buckle sides. Size Snout Circ. Weight XSmall 4.5" up to 5 lbs. Small 5.5" 1025 lbs. Medium 6.5" 2545 lbs. Large 7.5" 4560 lbs. XLarge 8.5" 6080 lbs XXLarge 10" 80100 lbs. XXXLarge 11" 100120 lbs.