The 12 count Heater 12-inch Pitching Machine Softballs allow you to practice anytime without the need for a partner. You will never miss a hit with these factory-molded precision softballs, specifically designed to be used with the Heater Softball & Combo Pitching Machine. These softballs feature a 12-inch design and are made from heavy-duty polyurethane constructed to last. Additional Specifications * Recommended ages 8 years to adult * Comes with a 30-day money back guarantee and 1-year warranty * 12 pitching machine softballs: Each softball weighs 0.425 pounds * Optic yellow dimpled design * Includes 1-year warranty * Ideal for developing hand/eye coordination * specifically designed for Heater softball & combo pitching machines