Linear sofa or elliptical elements with backrest and armrests  structure in multilayer poplar wood and double-panelled  fir-wood, padded in differentiated density polyurethane foam,  covered with acrylic fibre layers. Steel seat chassis, with epoxy  powder coating, sprung with coated rubber elastic straps,  padded in polyurethane foam covered in 100% polyether  thermally bonded onto a polyamide velveteen backing. Backrest and armrest cushion in prewashed and sterilized  goose down, stitched into separate compartments, with  polyurethane foam insert. Seat cushion in differentiated density  polyurethane foam and Visco-soft insert, covered with acrylic  fibre layers. Bracket in laser-cut steel sheet, lacquered with  epoxy powder coating gunmetal grey colour with a brass foot  satinized and finished with a transparent matt varnish.  Floor support secured by black PVC feet.  Fabric or leather upholstery, both fully removable by zippers  and Velcro fastenings.