Pine bearing frame with elastic webbing, covered with high-density polyurethane foam in different thicknesses. Seat cushion with sterilized goose down and insert of medium-density polyurethane foam. Backrest cushions of sterilized goose down for greater comfort. Wooden feet covered with the same material as the upholstery. Given the special manufacturing process, the sofa structure upholstery is not removable, but the seat cushion upholstery in leather or fabric can be removed.