ThrowMAX Flexible Arm Braces...The Solution To Throwing Problems! ThrowMAX Flexible Arm Braces Feature: Made of three flexible polycarbonate bars and two velcro straps The bars supply resistance for instant feedback for correct throwing motion Velcro straps hold the brace in place For use with baseball or softball players Correct problems such as dropping and leading the elbow, inside-out motion and shot put throwing Keeps arms at a proper 85 - 90 degree angle keeping elbows up Creates and develops muscle memory Helps prevent injury by learning how to throw correctly Allows the appropriate rotation of the arm and shoulder Develops body coordination and increased ball velocity Right or left arm Sizes Height X-Small up to 4"7" Small 4"8" - 5"2" Medium 5"3" - 5"8" Large 5"9" + ThrowMAX Flexible Arm Braces...Develops Muscle Memory!