Features: Continuous rotation effectively trains the waist and abdominal muscles, creates a tone and slim stomach. Easy to carry and store:Not only is it small and convenient, but it can also be twist and folded freely and easily stored in a corner or suitcases. Make of alloys Steel, it fit the curves of the waist with a delicate touch and is not easy to hurt the waist even if it is rotated for long time. The builted in safety rope is reinforced, effectively avoiding the risk of breakage, and can use it while enjoy the funny of exercise. Easy to use: This fitness hoop fit all body types. Flexible rotation, quiet and smooth rotation provide you with a comfortable sports experience. Specifications: Component: alloys Steel Type: 1kg/1.5kg/2kg Width: about 3cm/1.18inch Package Includes: 1pc Fitness Waist Hoop note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.