Package include: 12 * Training Pickleballs Accessories The size of pickleball practice balls' circumference is 9.15-Inches, and 2.91 inches in diameter. Our Foam Pickleballs offer a quiet playing experience with noise-reduction technology, perfect for noise-sensitive environments like indoor courts and residential areas. With a noise level of 60db, they provide a peaceful game environment like a regular conversation, compared to the 90db volume of traditional pickleballs. Crafted from durable pop-back foam, our practice balls withstand thousands of hits without losing shape. These quiet pickleball balls meet USAPA bounce standards, providing precise training with reduced noise. Designed to mimic traditional ball size, weight, and bounce, they offer a reliable playing experience for players of all skill levels. Bright yellow design, high-visibility for easy observation of true ball rotation, easy tracking during practice and matches. Enhances beginners’ visual skills and improves judgment. This ball can be used not only for pickleball practice but also for tennis, baseball, softball, and other ball sports training. These foam pickleballs are safe for players of all ages, the soft material reduces the risk of injury, allowing beginners to practice without worry about getting hit, which facilitates learning the game. Whether for outdoor or indoor practice, neighborhood games, or playing fetch with pets, they offer nonstop fun.