The William monobloc sofa by Damian Williamson features a steel frame with polished aluminum alloy feet and elastic webbing for support. The seat padding combines polyurethane and thermobonded polyester fiber, while the backrest and armrests use flame-retardant polyurethane foam and polyester fiber. Seat cushions include virgin goose down with polyurethane inserts, and back cushions are filled with 100% virgin goose down. Inner cushion covers are removable nylon and cotton fabric, with an outer removable gold leather cover.Finishes, dimensions and upholstery can be customized; please contact the Concierge for more information.