The PATIKIL Bounce Reaction Ball is designed to improve hand-eye coordination and agility. Made from high-density Thermoplastic Rubber (TPR), this durable ball is suitable for hard surfaces and features a grainy texture for a good hand grip. Its hexagonal shape causes it to bounce unpredictably, making it an excellent training tool for various sports including baseball, soccer, and basketball. The ball measures 47 x 47 x 55mm and is ideal for both individual and group training sessions.