The 12 count Heater 11-inch Pitching Machine Softballs package paired with the Heater Combo Pitching Machine is ideal for home practice. The 11-inch softball design, made from resilient polyurethane, features pin-point accuracy and long-lasting durability. Hone your batting skills at your convenience with these factory-molded softballs. Additional Specifications * Recommended ages 8 years to adult * Comes with a 30-day money back guarantee and 1-year warranty * 12 pitching machine softballs weigh 5.4 pounds each * Optic yellow color and dimpled design * Includes 1-year warranty * Ideal for developing hand/eye coordination * Recommended ball for Heater brand combo pitching machines