AMERICA'S #1 SELLING BALL: With 100 years of perfecting and testing, Penn Championship leads sales for tennis balls in America.
PENN PERFORMANCE: Controlled fiber release for even nap and natural rubber for consistent feel and shock reduction. Championship line assures consistency each time on the court.
ALL COURTS: Extra duty tennis balls work best on hard courts but also suitable for all indoor and outdoor, softer clay court surfaces.
OFFICIAL BALL: Penn Championship is the Official Ball of USTA Leagues, offering high quality and consistency. ITF and USTA approved in extra-duty felt, regular duty felt, or extra-duty high altitude felt.
LASTING DURABILITY: Interlocked wool fiber ensures durability and like-new performance for the all courts tennis balls.