Valeo -Pound Medicine Ball with Sturdy Rubber Construction and Textured Finish, Weight Ball Includes Exercise Wall Chart… $23.77 – $26.39 Make sure this fits by entering your model number. STRENGTH, COORDINATION, BALANCE: Classic medicine ball workout helps develop core strength, improve coordination, and fine-tune balance ideal for strength training, plyometric training, balance training and building muscle SIZE & BOLD COLOR OPTIONS: Based on your personal strength needs, available weight options: 4lbs, 6lbs, 8lbs, 10lbs, 12lbs