... 700lbs pass SGS test one-year warranty metal frame,tube 19X1.2MMmetal frame plastic folding chair support 700lbs,durable,Pass ... SGS testBackrest and seat: PP , UV protectionFrame:powder coated metal tube ... folding chairBackrest and seat: PP , UV stable and Antiaging Frame: Steel tube, powder coated, waterproof and rustproofSteel tube: ...