Penn Championship Extra Strong Felt Tennis Balls

#1 US Selling Ball: the product of 100 years of testing and perfection; Penn Championship is America's best-selling tennis ball. PENN PERFORMANCE - Controlled release of fiber provides a perfectly even nap, while natural rubber provides a consistent feel and reduces shock. The Championship line offers unparalleled consistency every time you hit the field. ALL COUNTRY - Although extra strong tennis balls are best suited for tough matches, they can also be played on all softer indoor and outdoor terracotta surfaces. OFFICIAL BALL: Penn Championship is the official ball of the USTA leagues, so you know you're playing with a consistently high quality ball. Available in extra strong felt, regular use felt or high altitude felt. USTA and ITF approved. LONG LASTING DURABILITY - The interlocking wool fiber ensures that tennis balls from all courts will play like new for as long as possible.
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