... spinning dancer, with protective foamDetails:Item: New design QQ spinning dancerModel: HY-Q8012Stem material: New ABS/ironWheel material : PU/PVC with ... transparent cover, round core, plastic coverand leg, are international quality PP materials[/u], lighter and more resilient, transparent,round- ... gear when jumping.3.People who have heart disease, high blood pressure, mobility, won't using the product, ...