100CM Foam Padded Weighted Waist Fitness Hula Hoop Body Massage Exercise100CM Foam Padded Weighted Waist Fitness Hula Hoop Body Massage Exercise The hoops have a padded EVA surface to provide cushioning to the user and also have molded ridges on the inner circle. The reason for this is that as the ridge passes over your abdomen area it applies extra pressure to the area that in turn gives the user an intense workout. Features: Easily portable (8 sections that clip together) Can be assembled in less that 60 seconds EVA