Yoga balls are an essential piece of gym equipment that can be used for many yoga exercises, core workouts and Pilates. Manufactured from anti-burst PVC able to stand up to the most rigorous workouts, this exercise ball is also equipped with a portable foot pump to quickly inflate it before classes and workouts. Ideal accessory not only for fitness studios, but home workout as well. Keep your core strong by doing sit ups on your yoga ball as well as strengthening your back with back exercises. This slip-resistant yoga ball helps release muscle tension, improve balance & flexibility and build core & back strength.