【Spring Hula Hoop】This soft spring hula hoop is designed for adults. Through continuous rotation, it effectively trains the waist and abdominal muscles, tightens the midsection, creates a slimmer waistline, shapes an attractive waist and abdominal curve, enhances muscle strength and body coordination, and improves body line aesthetics. 【Easy to Carry and Store】Not only is it small and convenient, but it can also be twisted and folded freely, making it easy to store in a corner or suitcase. Whether at home, on a business trip, or traveling, you can turn on fitness mode anytime, anywhere, with no exercise restrictions. 【Material】: This uses a soft spring material that fits the curve of the waist with a delicate touch, and it is less likely to hurt the waist even after long periods of rotation. The built-in safety rope is reinforced, effectively avoiding the risk of breakage, allowing you to enjoy the fun of exercise with peace of mind. Recommended Weight Guide ・1kg: 30-45kg Length: Approx. 150cm Purchased new on Rakuten, I'm selling it because I achieved my goal.