- TOP SELLING BALL IN AMERICA: With 100 years of testing and perfecting, Penn Championship is America's best selling tennis ball.
- PENN PERFORMANCE: Controlled fiber release for even nap, and natural rubber for consistent feel and reduced shock. The Championship line offers unparalleled consistency on the court.
- SUITABLE FOR ALL COURTS: Extra duty tennis balls are ideal for hard court matches and can also be used on indoor and outdoor softer surfaces.
- OFFICIAL USTA LEAGUE BALL: Penn Championship is the USTA Leagues' Official Ball, ensuring high quality and consistency. Available in extra-duty felt, regular duty felt, or extra-duty high altitude felt. USTA and ITF approved.
- LONG-LASTING DURABILITY: Interlocked wool fiber ensures the all courts tennis balls will maintain like-new performance as long as possible.