The Franklin Sports X-40 Outdoor Pickleballs are one of the finest balls created for the sport of pickleball and not only are they the official ball of the US Open Pickleball Championships but are pro-player approved. These balls are made with high quality PE material and feature an advanced single piece design that provided added durability to withstand hours of the most aggressive play. Enjoy the superb flight path and tight reliable spin, thanks to the precision in the machine drilled holes. Take your game to the next level with the Franklin Sports X-40 Outdoor Pickleballs!