The Luanda Outdoor Sectional is sold in separate middle and corner pieces, allowing you to create a customized configuration that best fits your outdoor space. Removable and washable cushion cover.Outdoor fabric (100% Olefin).Weather resistant n/a memory foam frame.To build a 2-piece sofa, you will need to buy 2 corners. For a 3 piece sofa you will need to corners and an armless.If used outdoors, product should be covered while not is use and stored in a cool, dry place during off season.