Wilson Championship Extra Duty Tennis Balls Can, 1 Can - Yellow

• 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 1 can
• Balls are numbered to differentiate from balls used by other players on neighboring courts