The reaction ball brings the fun back to fitness. Use this agility training aid to improve responsiveness, hand eye coordination, reaction time, and agility, as you leap and bound. It can off of any hard surfaces including hardwood, courts, walls, and infield dirt. Provides hours of entertainment, while also developing proper technique, hand-eye coordination, and improved agility. Features - ColorAssorted Color - Material: Silicone. - Size: 5.50X5.50X5.50cm/2.16X2.16X2.16in. - The ball is made of highly durable, long-lasting material, easy to carry and use. - Strengthens players ability to where it is going based . - A fun exercise that is hard to predict, have to stay on your toes and keep moving. - Also can be a good gift choice for your friends, they will like it very much. - It works against all hard surfaces or walls and can be used as a fun way to improve technique in drills and training exercises. Package list: 3 x agility balls