product 1. Relieve common lower back and shoulder pain during pregnancy, relieve hemorrhoid pain and muscles, strengthen core, increase thrust during labor during pregnancy. After pregnancy, it can be used to exercise to lose weight, and you can also play with your baby and enjoy a happy parent-child time. 2. Anti-explosion and durable, our birth ball adopts a professional honeycomb structure, when it is punctured by a sharp object on the floor, it will not explode suddenly, but slowly deflate, protecting you from injury. 3. Use for balance, core strength, increasing cardiorespiratory endurance, weight control, back rehabilitation, birthing balls, Pilates balls, Pilates shaping and shaping, yoga and many other fitness exercises. 4. Versatile Uses of Exercise Ball: Get back in shape and achieve flexibility and balance with this exercise ball chair. The therapy ball allows you to exercise whenever you need it, from the gym to your home or office. Its great for abdominal workouts, pregnancy crunches and other workouts.