Accept no substitutes. Only JUGS Practice Balls come with the JUGS name on them. Safest practice ball ever made Great for indoor or outdoor use Sponge-like texture Use with any JUGS Pitching Machine Can use at normal hitting distances One year guarantee The first JUGS product a curveball pitching machine has developed into one of the most revolutionary training aids for all phases of the game of baseball. Other JUGS products which have spun off of this original concept are causing just as much excitement in their respective areas. Throughout the research and development of every JUGS product John Paulson’s methodology remained consistent observe how athletes practice their respective sport then develop machinery that would help these athletes improve to their highest possible level. Now teams in seven other sports are enjoying better practices because of JUGS products. Besides baseball there are now JUGS machines for softball football soccer field hockey lacrosse tennis and even the British Commonwealth’s national sport cricket Today over 85 000 teams use a JUGS machine at their practices. In fact the most widely used pitching machines in the world are made by JUGS. Color Optic Yellow