The Dunlop Extra Duty Hard Court Tennis Balls are engineered specifically for hard court surfaces, where durability and consistent bounce are essential. The extra-duty felt construction resists the abrasive wear of hard courts, maintaining performance and playability for longer than standard balls. Trusted by club players and competitive athletes alike, Dunlop's reputation for quality ensures you get a reliable, true-bouncing ball every time. Sold in a 3-pack, they're ideal for training sessions and competitive match play on hard courts.