SKLZ Impact Mini Balls are designed with the player in mind. The key to a great performance on the field is the practice you put in, and these mini impact balls take your practice to the next level. Constructed with long-lasting pop-back material, the SKLZ Mini Impact Baseballs provides hitters with instant feedback on each hit. The make of each ball collapse on impact but wont dent to ensure these balls can be hit over and over again with as much power as you have. The mini 1.75 inch balls also improve hand-eye coordination to improve catching and throwing skills by practicing reaction and anticipation. The limited flight designed means you can train virtually anywhere, any time. Set yourself or your players up for total success by using these SKLZ Impact Mini Balls during training and warmups.