Wilson US Open Extra Duty Tennis Ball - 3 Ball Can

FEATURES

• Approved by USTA and ITF for competitive play
• Official Ball of the US Open
• Made with premium woven felt
• 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
• Balls are numbered to differentiate from balls used by other players on neighboring courts