Overview: Scientific new concept spring hula hoop exercise equipment This plastic spring hula hoop is designed according to physical theory, which can enhance exercise intensity & fit your body perfectly If you want lose weight, this spring hula hoop is an easy & efficient way Plastic hula hoop that is made from PVC non poisonous environmental protection material Lightweight & foldable, quite easy to carry The bouncy spring makes you either act as collapsible hula hoop or act as the chest expander This plastic spring hula hoop designed with a durable & flexible spring inner the hoop, it is quite comfortable to use This body building plastic spring hula hoop does great help to your health & it is suitable for young & old, man & woman Spring hula hoop is suitable for home use, office use & also you can take it for outing Outside Diameter: Approx 475mm/18.8in (Dia.) Specification: Weight Approx: 958.2g Size Approx: 25 x 20 x 7