Silk Sensation bedding, including Duvet Inners, Pillows and Mattress Toppers are made from premium raw materials. There are many benefits to sleeping under silk, these include: temperature regulation- as the silk naturally adjusts to your body temperature, hypoallergenic- silk is inhospitable to dustmites and is a great alternative to Feather and Down if you are allergic and silk is white naturally- no chemicals are used to make it "whiter" in manufacturing process. Sleeping under Silk is like Like being wrapped in a soft, delicate cloud.