MANYTONEZ Aerobic Body Board-Waist Twister, Slant Stretch Board, Balance Board and Push-Up Board Improves your core strength, balance, flexibility, and muscle strength Gives you a wide range of exercises to enhance your overall fitness and body wellness Allows you to easily burn calories and tone up your muscles Durable and lightweight, made of a high quality specially designed tactile thermoplastic with a non-slip surface Includes the ManyTonez Multipurpose Aerobic Body Board, NBR mat, and instruction manual