This luxurious silk-filled topper from Serene is designed to combine the benefits of luxury, comfort, health and practicality. Luxuriously lightweight, soft and comfortable, it is made using quality materials which makes it naturally hypoallergenic. It also helps absorb moisture and regulate temperature to provide optimum comfort. Size: Super King Bed, 183 x 220cm. Material: 100% cotton cover. Filling: 20% Mulberry silk and 80% conjugated Polyester filling. Care and use: Machine washable at 30C gentle cycle silk/wool program. Do not tumble dry. Flat natural drip dry.