Penn Championship - Extra Duty Felt Pressurized Tennis Balls - 24 Cans, 72 Balls

America's #1 selling ball: The product of 100 years worth of testing and perfecting; Penn Championship is the best-selling tennis ball in America. Penn performance: Controlled fiber release provides a perfectly even nap, while natural rubber offers a consistent feel and reduced shock. The Championship line provides unparalleled consistency every time you hit the court. All courts: While extra duty tennis balls are best suited for hard court matches, they can also be played on all indoor and outdoor softer, clay court surfaces as well. Official ball: Penn Championship is the Official Ball of USTA Leagues, so you know you're playing with a high-quality and consistent ball. Available in extra-duty felt, regular duty felt, or extra-duty high altitude felt. USTA and ITF approved. Lasting durability: Interlocked wool fiber ensures the all courts tennis balls will play like new for as long as possible.