The Willy slim sofa by Marac features a sturdy structure made of fir wood and plywood, reinforced with elastic straps for added support. The structure is padded with expanded polyurethane of varying densities, which is covered with a 100 g/m2 resin-coated polyester fiber lining coupled with elasticized polyester fabric. The seat cushions are made of expanded polyurethane and are covered with a 420 g/m2 resinated polyester fiber, which is further covered with a cotton lining. The backrest cushions are filled with new sterilized down and have a 100% cotton lining. The sofa stands on solid beech wood feet, lacquered in a matte black finish. The covering of the sofa is completely removable and is available in fabric, except for the seat cushion, which is fixed in leather.