[2 Packs included] 2 size baseball thumb guard, 1 thick, 1 thin, Whether you're 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-Black Color [2 Pack & 2 Size] [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.-Black Color [2 Pack & 2 Size] [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.-Black Color [2 Pack & 2 Size] [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.-Black Color [2 Pack & 2 Size] [Pro's 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 pro.-Black Color [2 Pack & 2 Size] [2 Pack & 2 Size] Baseball Thumb Guard for Pro Batters, Hitter Training Aid, Thumb Guard Baseball & Softball Baseball Batting Grip Baseball Accessories Training Equipment Reduce Bat Sting-Black