The Total Control Ball TCB 74 Baseball Weighted Training Hitting Batting Aid 3 Pack includes three weighted balls designed specifically for baseball training. These yellow balls are ideal for indoor/outdoor use and are perfect for beginner players looking to improve their batting skills. Made by the Total Control Ball brand in the United States, these balls are great for adding resistance to your hitting practice to help develop stronger and more controlled swings. Whether you're looking to enhance your practice sessions or simply need a new set of weighted balls, this product is a valuable addition to any baseball enthusiast's gear collection.