Description This baseball hitting trainer is made of anti-wear polyester material, with good elastic ability. The inability of players to maintain the correct wrist angle when swinging is a common problem, but with this band, you can train your arm posture when you practice the baseball, correcting your wrong posture and improve your hitting skills. Features -Color:Black -Material:Polyester -Size:24.00X3.80X0.10cm/9.43X1.49X0.04in - There is a common problem that the people cannot hold a right wrist angle when swings, this band can help you correct the wrong posture. - This baseball hitting trainer can restraint the right arm, helping the arm maintain a correct posture and forming muscle memory. - This swing trainer is perfect for both right and left-handed baseball beginner! - Made of good material, which provides the utmost comfort when practicing. Easy to install and use. - Suitable for baseball and softball training to improve hitting accuracy and power There is a common problem that the people cannot hold a right wrist angle when swings, this band can help you correct the wrong posture. This baseball hitting trainer can restraint the right arm, helping the arm maintain a correct posture and forming muscle memory. This swing trainer is perfect for both right and left-handed baseball beginner! Made of good material, which provides the utmost comfort when practicing. Easy to install and use. Suitable for baseball and softball training to improve hitting accuracy and power