TITLE Boxing Gyro Balanced Leather Speed Bag

Constructed with precision Gyro Balanced manufacturing to assure true rebounds and rapid recoiling that helps develop lighting fast reflexes, improve your quickness and hand-eye coordination. Top grade leather shell with triple reinforced leather seems and lacing for relentless and balanced workouts every time. Includes a butyl rubber pro bladder with special internal balancing for maximum results.   You MUST moisten the needle before inserting it in the bladder (Petroleum Jelly is best.) This will help prevent small tears in the inflation valve and deflation of your bag. Sizes: XXS (4" x 7"), S (5" x 8"), M (6" x 9"), L (7" x 10") Replacement bladder available here. Always have a spare for emergencies.