●(Pack of 6) ? Official ball of the APP & PPA Professional Pickleball Tours. ●APPROVED FOR TOURNAMENT PLAY ? Dura Pickleballs meet all USAPA/IFP regulations and are approved for sanctioned tournament play. ●Upgraded Design: Rotation molded one-piece design, providing the balls with better performance and higher stability. ●unique bounce technology gives the ball sustained lively bounce and holding up very well on the outdoor courts. ●They are rotationally molded as 1-piece with 40 precisely drilled holes for consistent flight and bounce.