Valeo -Pound Medicine Ball with Sturdy Rubber Construction and Textured Finish, Weight Ball Includes Exercise Wall Chart for Strength Training, Plyometric Training, Balance Training and Muscle Build 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 DURABLE & TEXTURED MATERIAL: Sturdy rubber construction, textured surface provided an easy solid grip. Can bounce off hard surfaces FITNESS GUIDE: Exercise wall chart included for Medicine Ball Training made easy