AMERICA'S #1 SELLING BALL: Penn Championship is the top-selling tennis ball in America, the result of a century of testing and refining.
PENN PERFORMANCE: Consistent feel and reduced shock are offered by natural rubber and controlled fiber release provides even nap. The Championship line delivers unmatched consistency every time you play.
ALL COURTS: While extra-duty tennis balls are best for hard courts, they can also be used on all indoor and outdoor softer surfaces.
OFFICIAL BALL: Penn Championship is the Official Ball of USTA Leagues, ensuring high quality and consistency. It is available in extra-duty felt, regular duty felt, or extra-duty high altitude felt and is USTA and ITF approved.
LASTING DURABILITY: Interlocked wool fiber ensures the all courts tennis balls will remain in top condition for as long as possible.