Chair with polished or powder-coated aluminium fixed trestle base, mounted on self-braking castors (color matching with base). The white polypropylene shell (PO101) is upholstered with a removable non-washable cover in fabric, leather, coated fabric or customer's own material. The cover stitching comes in the same color as the upholstery. The chair is provided already fitted with the cover. Steel armrests are available upon request.