The SKB iSeries 3614-6 uses a uni-body injection-molded shell made from ultra-high-strength polypropylene copolymer resin — the same material class found in military-grade equipment

An all-new engineered design

features a smooth goatskin leather palm for a reliable

and black/red ColorSync patch

Ships free anywhere in the US

Viper Sports Weighted Practice Balls (12 inch) Pack QTY:6-Pack The SKB iSeries 3614-6 usesThis product is final sale no return Training balls helps Develop Strength to increase power through the Hitting Zone The same size as a Softball, but could also be used in baseball for improved hand eye coordination. Safe for all bats won't put wear and tear on your bat like a normal ball Ideal for BP and strength exercises Cost Effective Washable and durable Soft Touch No glove needed Safer than a conventional ball.