Wilson WRT100101 X-Duty Tennis Balls

The Championship Extra Duty ball lives up to its name with a battle-tested mindset and unquenchable spirit. Sporting Dura-Weave felt for improved durability on all court surfaces, recreational players can have fun and feel confident using this ball anytime, anywhere. FEATURES Dura-Weave felt lends long-lasting durability Extra Duty: Ideal performance on hard, abrasive courts Regular Duty: Ideal performance on soft, clay/indoor surfaces High Altitude: Ideal performance on surfaces above 3,000 ft. Can includes 3 balls; case includes 24 cans Balls are numbered to differentiate from balls used by other players on neighboring courts