Available in a variety of colors with discount pricing for volume purchases, the Dura pickleballs are popular with pros, tournament players, active enthusiasts and clubs alike. The Dura Fast 40 has been the official ball of the US Open, USAPA Nationals, and the USA National Pickleball Championships for years. The Dura is considered "Original Official Pickleball". With options for outdoor or indoor play, these balls meet the USAPA specifications for tournament play. The name "Dura" is short for Durable.