America's #1 selling ball: 100 years of testing and completed product. Penn Championship is America's best selling tennis ballPen Performance: Controlled fiber release ensures perfect nap and natural rubber reduces consistent feel and impact. Championship lines deliver unrivaled consistency every time you hit the courtALL COATS: The extra duty tennis ball is great for hard court games, but can be played indoors or outdoors on soft clay courtsOFFICIAL BALL: Penn Championship is the Official Ball of the USTA League You will know you are playing with a high quality and stable ball. Available in Extra Duty Felt, Regular Duty Felt, or Extra Duty Altitude Felt. USTA and ITF approvedLONG LASTING DURABILITY: The interlocking wool fibers allow any court tennis ball to look as good as new
Penn Championship is the Official Ball of USTA Leagues. It is USTA and ITF approved.
The Championship Line provides quality play every time you hit the court.