The Dunlop Grand Prix Hard Court Tennis Ball offers the ultimate in performance and durability. A special mix of 14 ingredients makes up the secret rubber core formula, which is combined with the finest woven felt to produce a ball with outstanding performance and feel.

• Made of Maxglo felt, which is 14% brighter than regular cloth, which allows you to see the ball earlier and prepare for your next shot
• USTA and ITF approved for tournament and league play
• Designed for play on hard court surfaces