"Chairs with a shell from plastic material white or red or lacquered in matt black. Base from stainless steel, chrome-plated or lacquered with a matt white, matt black or silver metal finish. The shells can be freely matched with the bases. Fully recyclable. The standard version can come with an upholstery kit which can be purchased separately. Some finishes suitable for outdoor." http://www.architonic.com/pmsht/m1-mdf-italia/1038351