271 Mex Cube is a modular sofa from Cassina, created by Piero Lissoni and put into production in 2007. The design is stylish and features square shapes. Mex Cube is available in a variety of modular combinations, with or without armrests and backrests, which together can form both larger and smaller seating groups. The inner frame is made of steel covered with a CFC-free polyurethane foam. The upholstery is available with feathers or polyester. The cover is removable and available in a choice of fabrics and colors. The legs are not visible.