1) Galvanized steel pipe 2) Durable, fadeless 3) ISO9001, GS, TUV, EN1176, CE 4) Reasonable price with superior quality ... person is allowed for one position.FunctionsActivate body joints; Improve cardio-pulmonary function; develop body-building.CertificateISO9001, TUL, GS, EN1176 approvalPackingCotton ... require. Pls feel free to contact with me!!! newest outdoor body fitness equipment for sale 2012