Item Type: Reaction Ball Main Material: Rubber Product Diameter: Approx. 68cm / 26.8in Applicable to: Basketball, tennis and other competitive sports. Package List 1 x Reaction Ball 1. Please allow 1 to 3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Rubber Material: This ball is made of premium rubber material, strong but not hard, very suitable for improving and enhancing responsiveness. 2Easy Playing: Just bounce the reaction ball onto any hard wall, floor or surface, and the ball will bounce in a random direction. 3Multi Use: This reaction ball can improve your reaction and agility, reaction speed, strengthen hand eye coordination, and can be used as a rehabilitation exercise tool. 4Portable: Comes with a small size and lightweight as well, you can easily take this ball for exercising anytime anywhere. 5Bright Color: This ball is produced in a bright color, easy for you to catch and find. It can also increase the fun of playing