Heater 12 Inch Pitching Machine Softballs One Dozen 12" Softballs Heater pitching machine 12” softballs are specifically designed for Heater Softball & Combo Pitching Machines. These balls are optic yellow in color, made from durable polyurethane, and pitch with pin point accuracy. Perfectly molded at the factory, Heater 12’ softballs pitch consistently. Features • 12 inch softball design • Recommended ball for most Heater brand pitching machines • Made from durable polyurethane for extended ball life Key Specs:  • Recommended Ages: 8 years to Adult • 30-Day Money Back Guarantee - One Year Warranty