JUGS Small Balls by the Dozen 5" Polyurethane-Foam Baseball 0.5 oz. White. B5130. Focus Small, Hit Big! with Jugs. Designed specifically for JUGS Small-Ball Pitching Machine. Develop hand-eye coordination and a quick bat. Teach the hitter to track the ball from release point to impact zone. Increase the hitter's mental concentration by hitting a small ball. Help the hitter improve depth perception by keeping head still and eyes level. Teach the fundamentals of hitting while removing the fear factor. Color: White.