The Dunlop Championship tennis balls are high quality and durable to meet the most exacting demands of both the recreational and serious player. They have specifically been designed and engineered for U.S. players and courts. Now with Dunlop’s breakthrough Durafelt cloth technology, players can have a longer lasting ball without sacrificing playability. The Dunlop Championship Hard Court is made to withstand the abrasive nature of the hard courts. Also available are the Dunlop Championship All Court version that can be played on all types of courts and Dunlop Championship Regular Duty version for clay or indoor courts. The Dunlop Championship is USTA and ITF approved for tournament and league play.