The reaction ball brings the fun back to fitness. Use this agility training aid to improve responsiveness, hand eye coordination, reaction time, and agility.. It can off of any hard surfaces including hardwood, courts, walls, and dirt. Provides hours of entertainment, while also engraining proper technique, hand-eye coordination, and improved agility. Features -Color:Assorted Color -Material:TPR -Size:5.50X5.50X5.50cm/2.16X2.16X2.16in - The ball is made of durable, long-lasting TPR material, easy to carry and use. - Strengthens players ability to where it is going based . - A fun exercise that is hard to improve reaction, have to stay on the toes and moving. - Used for release to trigger points. Increased hand-eye coordination and agility. - 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: 6 x Reaction Balls