Temporary-Use MuzzleReduced the risk of dog bites. Ideal for short-term 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.SizeSnout Circ.WeightX-Small4.5"up to 5 lbs.Small5.5"10-25 lbs.Medium6.5"25-45 lbs.Large7.5"45-60 lbs.X-Large8.5"60-80 lbsXX-Large10"80-100 lbs.XXX-Large11"100-120 lbs.