Penn Tribute Tennis Balls - All Courts Felt Pressurized Tennis Ball,

AMERICA'S #1 SELLING BALL: The product of 100 years worth of testing and perfecting; the standard by which all other tennis balls are measured. PENN PERFORMANCE: Controlled fiber release provides perfectly even nap, while natural rubber offers consistent feel and reduced shock. ALL COURTS: The Tribute All Courts tennis ball is suited for both hard and soft, indoor & outdoor playing surfaces. USTA APPROVED: You’re sure to be playing with a high quality and consistent ball. LASTING DURABILITY: Interlocked wool fiber and deep elastic seams ensure greater wear.