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. This multi-sport training tool is not only perfect for baseball, softball, or any diamond players, but can also be used for futsal or soccer goalies, lacrosse players, or any athlete who wants to improve their reaction time. Features - Color: Yellow. - Material: Silicone. - Size: 58mm / 2.3inch. - INSTANT FEEDBACK. Get a better analysis of your players engagement with the ball as you get instant feedback on their reaction time. This six-sided high-bounce ball leaps and pops randomly, keeping players on their toes. - MAKE TRAINING FUN. Volley the Reaction Ball between players, or it against a wall for independent training. It works against all hard surfaces or walls and can be used as a fun way to improve technique in drills and training exercises. - PICK UP THE PACE. Mastering the basics sets you up for mastering the game. Get faster reactions, for better fielding as you improve your hand-eye coordination, and agility with the Reaction Ball. - IMPROVE REFLEXES. Give your player the tools they need before stepping up out on the field. The Reaction Ball gives athletes a high energy, multi-sport training tool to challenge their reflexes and improve their skills. - INVEST IN YOUR GOALS. Investing in sports equipment means investing in your training and athletic goals. Improve your soccer skills, ball control, and accuracy.