... : Recommended for the mid-aged and elderly. WPC type outdoor fitness equipment, applied in garden, villa, school, playground, hospital and so on ... to side.BenefitsRelaxes the muscles of waist, and improves the flexibility and agility of the waist.Quality guarantee:CE, ISO, SGSCautionsNot suitable ... : 8-10 years.Bearings, bolts and other parts: 1 year. Waist Twister