Fix sofa with one-piece frame in double-paneled poplar and  pine. Steel seat chassis with support in cross-woven, coated  rubber elastic straps. Shell padding in differentiated density  polyurethane foam. Covering in needle punched, resinated,  non-woven polyester fibre, bonded onto a polyamide velveteen  backing. Seat, back and armrest cushions in prewashed and  sterilized goose down, stitched into separate compartments, with  preformed polyurethane foam insert, or in polyurethane foam,  coated with acrylic fibre layers.  Steel feet, with satin nickel finish joined by a bracket.  Fabric or leather upholstery. The fabric version only is fully  removable by zippers and Velcro fastenings.  The leather version is always with non-removable upholstery.  Seat depth 62cm.