The Wilson US Open Regular Duty tennis ball is the official ball of the US Open since 1978. The US Open tennis ball is made with exclusive woven felt from Tex Tech Industries for superior playability, consistency, and durability. The regular duty felt is perfectly made for clay, grass or indoor court surfaces and is both USTA and ITF approved.

The Wilson US Open Regular Duty case contains 18 cans (4 balls per can- 72 balls per case).

Note: Due to its size, this item does not qualify for Free 2nd Day Shipping. See shipping rates at checkout. Standard ground shipping is $10.95 per case.

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