Wilson US Open Red Felt Tennis Balls 36 Pack

The Wilson US Open Red Felt Tennis Balls and low compression and built for 10 and under tennis. These tennis balls are 75% slower than normal tennis balls that make them easier to help teach the game of tennis to younger kids. These balls are designed for 36 foot courts.

• Large Low Compression Tennis Ball for 10 and under Tennis
• Newly Developed 75mm Felt Covered Ball
• Balls are 75% Slower than Normal Tennis Balls
• Designed for Stage 3, 36ft Courts
• USTA Approved
• Model Number: WRT13700B