The 2 Pack Baseball Thumb Guard is a silicone rubber swing training aid designed for batters in baseball and softball. Made of soft liquid silicone rubber, the guards come in 2 sizes (thin & thick) and are suitable for adult and teenager users. The pull-on closure type makes them easy to wear during training sessions, providing added protection and stability for the thumbs. The compact dimensions and lightweight construction make them convenient to use and store, making them a valuable tool for improving batting performance.