Penn tennis balls championship extra-duty felt 6 packs of 3 balls = 18 balls

penn tennis balls 6 packs of 3 balls equals 18 total balls brand new sealed championship exta-duty felt ideal for hard courts racquet indoor outdoor game games ALL COURTS: While extra duty tennis balls are best suited for hard court matches, they can also be played on all indoor and outdoor softer, clay court surfaces as well. attention adult use & supervision & note all manufacturer ⚠️ warnings for pull off aluminum top & tennis balls & ball play America's #1 selling ball