GAMMA Two-Tone Pickleball Indoor Training Ball is the perfect ball for drilling skills and mastering the art of spin. Each ball is split into two halves - purple and pink - so you can tell how it's moving. Made with 26 precision holes and a two-piece construction, they’re easy to see and great for practice and recreational play. Weighing .85 ounces and measuring 2.9 inches in diameter, these vivid balls are sure to enhance your hand-eye coordination and spin performance. Sold in 6-pack or 12-pack.