Wilson Championship 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. Dura-Weave felt lends long-lasting durabilityExtra Duty: Ideal performance on hard, abrasive courtsRegular Duty: Ideal performance on soft, clay/indoor surfacesHigh Altitude: Ideal performance on surfaces above 3, 000 ft.Can includes 4 balls