... : Choose excellent down material, adopt most advanced down washing technology and washed equipments. The raw materials are washed ... and then packing. By the way of sorting,washing,degreasing,sterilizing, the produced down has the characters of ... of down garments, down trousers, down shoes, down quilts, down pillows, down mattresses and down cushions and so ... is guaranteed White Duck Down 50%,Down Quilts