The Pro Penn Marathon is Penn's longest lasting tennis ball. Features Encore Technology for 22% longer lasting core, high tenacity LongPlay felt for extended play, and Smart Optik felt for optimum visibility. Pro Penn Marathon balls are the choice of PTR pros due to its durability, longevity, and visibility. Convenient case for frequent players.

3 balls per can/24 cans per case (72 balls total)

Ball Cases can ONLY be shipped to addresses within the Continental United States.

Note: Due to the size of this item it does not qualify for free 2nd Day Air shipping. Fee is $10.95 and will be Standard ground shipping.