The Bean Elite and Flex 10 Ultimate Abdominal Exerciser The Bean also provides a complete comfort with its Ergonomic S shape that molds to your body. Bubble-top comfort offers total back support. Complete stability allows you to exercise with proper form The Bean exercise chair uses a rocking motion to allow you to automatically combine three exercises in one: a crunch, a pelvic tilt, and a leg raise The Flex 10 Platform allows for an even more intense workout using all tension and no bulky weights Easily deflates to fit just about anywhere and the Flex 10 platform is only 3.5 inches tall, easily sliding under a bed or in the closet Work your entire body at home with no pain Includes side handle for added exercises and support. Comfortable shape supports your body while the rocking action does all the work