The Worth Mayhem Composite Little League Bat is one of the highest performing youth 100% composite bats. Optimized five-layer M7 continuous sweetspot technology. Each M7 layer is designed to provide flex and durability. Ultra lite design offers a combination of swing speed and power. Little League Baseball, USSSA, Dixie Youth Baseball, Babe Ruth Baseball, Pony League Baseball and AABC approved. -12 oz. weight ratio. 28”, 29”, 30”, 31”, 32" lengths. **Warranty/Defective issues must be handled directly through the bat manufacturer. Please call 1-800-423-3714 for Customer Service.Unwanted bats returned to Eastbay, must not be used and must be in original packaging.**