["[2 Packs included] 2 size baseball thumb guard 1 thick 1 thin Whether youre an adult a teenager or you have big hands small hands or you use thin grip bat thick grip bat One of these two sizes will fit you best baseball accessories baseball training equipment you should have-Red" [Liquid silicone rubber] The baseball thumb guard is made of liquid silicone rubber very soft It gives your thumbs s a nice cushion when you hit the ball hard You can hit as hard as you want with it.-Red [Reduce pain] The soft baseball thumb guard can reduce pain when you hit the ball hard it makes you feel no pain during long hours of play and training.-Red [Non-slip design] The Baseball Batters Training Aid has a non-slip design It gives you a firmer grip on your baseball bat There is no displacement when batting.-Red "[Masters choice] With the baseball Batters Training Aid you can correct your bad grip technique the baseball thumb guard can help you to be a baseball master-Red"]