Quality Advantage Benefits Cloud sofa. Quality Advantage Benefits Seat: 2 layer foam covered with down, feathers and fiberwool balls. Back: Core of foam covered with down, feathers and fiberwool balls. The frame is made from plywood. No-zag springs are mounted on the seat frames. Loose cover. Available in different kind of fabric. Available in many different combinations. Soft comfort due to the cover of down and feathers. Loose cover on all cushions and on the frame. Covered in the best materials for long lasting shape and comfort. Cushions can always be “worked” up to new. High comfort that adapts to your body. Loose covers you can take of and send to the drycleaners.