Preferred on clay and indoor surfaces. (Replaces Penn Tennis Masters Series ball.) As the Official Ball of the ATP, this Penn ball is played by top tennis players in premier events around the world. It features tournament-grade felt and technical grade rubber core for precise bounce. This USTA and ITF approved ball is available in regular-duty and extra-duty felt as well as extra-duty felt for high altitudes24 cans per case
(3 balls per can -- 72 balls per case)

**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).