Wilson US Open Extra Duty Tennis Ball (4-Pack), Yellow US Blue It is identical to the

It is identical to the ever-popular USAPA and pickle net portable net systems in terms of set-up

Weight Average: 10

Made from Premium Quality Lycra (80% Nylon and 20% Spandex)

Cover dimension

Wilson US Open Extra Duty Tennis Ball (4-Pack), Yellow US Blue It is identical to theBrand: Wilson Color: Yellow Features: Made with premium Tex Tech felt Optimal performance on hard courts Wilson has been the official ball of the US Open since 1978 Publisher: Wilson Tennis Release Date: 2012 04 03 Warranty: N A Details: Unbeatable performance, unmatched consistency and the most premium woven felt all add up to more W's for you. Wilson is used at more than 45 professional tournaments worldwide. That's why we are played at more majors