The USAPA approved X-40 Performance Pickleball by Franklin Sports is a premium quality ball that will play well on any outdoor surface. This ball delivers the best in-game flight out of any ball on the market thanks to its machine drilled holes. The accuracy of the machine drilled holes will assure that each ball will play consistently one after another. Each ball measure 74 millimeters in diameter to provide players with high-quality performance. Also, the bright yellow color stands out and makes spotting these balls beyond easy. Within this set, there are 12 pickleballs, which provides gamers with plenty of replacements as they are playing for endless hours. The X-40 is the best pickleball on the market, try it for yourself today.