Designed for high-performance play, the Dunlop Australian Open tennis balls are the official choice for the first Grand Slam of the year. Approved by the International Tennis Federation (ITF), they feature HD Core technology for extra durability and shot consistency. The premium HD Pro cloth makes them ideal for professional-level matches. Suitable for all court surfaces, the balls excel on hard courts thanks to their extra duty felt. They are supplied in a 6-dozen pack (72 balls).