Smart Hula Hoop for Fitness and Bodybuilding: • 3-section adjustable hula hoop, perfect fitness and bodybuilding equipment for home use. Waist width diameter from 24 to 32cm (front, from abdominal support to lumbar support from 16 to 25cm). •Secure and comfortable design: the hoop cannot fall off. TOUpdated design interior area, no harm to body when using. Larger lumbar support. •Built-in digital lap counter: monitor your training progress. •Counterweight of 540gr. •Recommended for people weighing 40 to 80 kg. ABS, PP and metal alloy.