Adjustable: The eight parts are easy to assemble, and you can adjust the size depending on your age and body shape. Hula hoop: Get a fitness hula hoop. Benefits: Hula hooping is a cardio activity that can help you burn calories, burn body fat and challenge your core muscles. Detachable: The hula hoop has a detachable design, so it is easy to carry and store compactly. Features: With a wavy-shape inside for increased comfort on your waist and abs. Size: Diameter: 95cm (full size). Detachable Fitness Hula Hoop | Living Social