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 USPTA pros due to its durability, longevity, and visibility. Convenient case for frequent players. Extra Duty felt for hard courts. High Altitude ball for use over 3500 ft.
3 balls per can.
Shipping charges are $6.95 per case of balls within the continental US. We are unable to ship balls outside the continental US.
**DUE TO THE DANGER OF SENDING PRESSURIZED BALLS THROUGH UNPRESSURIZED TRANSPORTATION (ie: cargo planes used by the post office, UPS, etc.), WE ARE ONLY ABLE TO SHIP CASES OF BALLS BY UPS GROUND TO DOMESTIC ADDRESSES (addresses inside the continental U.S. only).