Wilson Racquet Sports, the Official Equipment Sponsor for the USPTA, released a new tennis ball, the Wilson Ultra USPTA All Court tennis ball. The new Wilson Ultra USPTA ball has a thicker, tighter weave felt for added durability, and new higher visibility felt for better tracking of the ball. This ball has greater durability on all court surfaces. Pack Size: 3 Ball Cans - 24 Can Case (72 Balls) Wilson Tennis Accessories WRT109500