... . Swivel&lift. Office Chair With Wheel Product features1.material Stainless steel material,with high temperature proof,weather proof,rot proof, ... leather or other material seat can be insteaded of .With special round backrest&armrest.3.Fit for any public ... Certificate guaranteesALSO products could be combined metal structure parts with different cushion,such as bamboo,leather,fabric,cloth ,plastic etc ...