Practice your serve, forehand, backhand and many more shots with the HEAD Penn Champ XD Tennis Balls, 12 Cans (3 Balls per Can). They are used by professionals everywhere, and they are even the ones used in USTA league tennis matches. These HEAD Penn tennis balls have controlled fiber release for a consistent nap, so you know you're getting reliable performance. The natural rubber gives these sports balls a consistent feel and reduced shock. They come with three to a can, so in this pack of 12 cans, you get 36 balls.

Penn Championship Extra Duty Tennis Balls (12 cans, 36 balls):

• Official ball of USTA league tennis
• Controlled fiber release for consistent nap
• Natural rubber for consistent feel and reduced shock
• AMERICA'S #1 SELLING BALL: The product of 100 years worth of testing and perfecting; Penn Championship is the best selling tennis ball in America.
• PENN PERFORMANCE: Controlled fiber release provides perfectly even nap, while natural rubber offers consistent feel and reduced shock. The Championship line provides unparalleled consistency every time you hit the court.
• ALL COURTS: While extra duty tennis balls are best suited for hard court matches, they can also be played on all indoor and outdoor softer, clay court surfaces as well.
• OFFICIAL BALL: Penn Championship is the Official Ball of USTA Leagues, so you know you're playing with high quality and consistent ball. Available in extra-duty felt, regular duty felt, or extra-duty high altitude felt. USTA and ITF approved.
• LASTING DURABILITY: Interlocked wool fiber ensures the all courts tennis balls will play like new for as long as possible.