Not only will you get flab-free abs, shrink your waistline & re-shape your hips with just the ball, you'll have fun doing it! Incorporate this ball into your pilates, yoga, stability training or fitness exercises to focus on major muscles groups for maximum results. You will also enjoy using it to improve your body's core strength & natural balance while getting trim & toned. This ball is especially perfect for strengthening your core stretches & maintaining flexibility & can even be used as a desk chair or taken to the gym. Made from a high density polymer that resists tearing & puncturing it is designed to support up to 600 pounds of pressure.