Modular elements of different sizes with structure in doublepanelled poplar and fir-wood and padding in differentiated  density polyurethane foam, covered with acrylic fibre layers.  Base 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. Black adjustable PVC feet.  Fabric or leather upholstery, both fully removable by zippers  and Velcro fastenings. The various elements are joined together  by means of hooks.