Shop for Training Aids from BaseballEquipmentDirect.com! Be ready for anything when you practice with the SKLZ Reaction Ball. The perfect fielding aid for improvement of hand-eye coordination and reaction time the Reaction Ball can be volleyed between two athletes or rebounded against a wall for solo training. Upon landing the ball will bounce in an unpredictable manner so the act of repeating these steps will improve your speed and coordination for baseball. About SKLZAs an innovator in athletic training SKLZ is the flagship brand of Pro Performance a premier player in the development and marketing of training aids and equipment for basketball football soccer baseball softball and golf. With products designed for players of all ages and skill levels SKLZ focuses on finding innovative products and methods that help maximize athletic potential and meet goals. Located in San Diego California SKLZ and Pro Performance operate internationally with their products found at major sporting goods retailers specialty shops and training centers everywhere.