Wilson US Open Regular Duty Tennis Balls - Regular Duty: Optimal performance and durability on clay/indoor courts 

Sold in single cans, 3 balls per can.

• For the past 40 years, every point at the US Open has been scored with a Wilson US Open tennis ball. Unparalleled consistency and performance make it the gold standard in tennis, trusted by the best in the game when it's all on the line. Crafted with premium woven felt.

• Approved by USTA & ITF for competitive play
• Official Ball of the US Open
• Made with premium woven felt
• Regular Duty: Ideal performance on soft, clay/indoor surfaces
• Can includes 3 balls