Wilson Championship Extra Duty Tennis Balls Carton, (24 Cans) Drive The Persson 500 model uses

The Persson 500 model uses a special cork handle ERGO-Grip

Rubber and Canes infused for flexibility

Sonic Core made with Infinergy

Spine starting from middle till lower

Perforation for added absorption

Wilson Championship Extra Duty Tennis Balls Carton, (24 Cans) Drive The Persson 500 model usesWilson Championship Extra Duty Tennis Balls Carton, 24 Cans (72 Balls) Dura Weave felt lends long lasting durability Extra Duty: Ideal performance on hard, abrasive courts Regular Duty: Ideal performance on soft, clay indoor surfaces High Altitude: Ideal performance on surfaces above 3,000 ft. Balls are numbered to differentiate from balls used by other players on neighboring courts 3 balls per can In Box Contents: 24 Cans 72 Balls