Here is the silvergray Seamless Silk Flat Sheet made only using 19 momme 400 thread count mulberry silk.Silk protein of this flat sheet contains 18 kinds of amino acids 11 of which are necessary for the human body that is the reason why silk do much beneficial to our body health. Also this silk ingredient can let the skin freely perspire and secrete keep skin clean to avoid skin problem.Our silk is made completely from 224% natural and pure silk produced by the Bombyx Mori silkworms the undisputed best quality silk in the entire world. Lilysilk silk bedding are made with silk floss made from the best quality long stranded Mulberry silk to ensure fluffiness volume and of course heat insulation. Naturally hypoallergenic and thermal adjusting our pillows are suitable regardless of weather and temperature providing you with great comfort and health benefits keeping you sound asleep at night and fully rejuvenated in the morning. Silk bedding is naturally hypoallergenic and is an environment dust mites find inhospitable. Using silk bedding can significantly help reduce the number of dust mites living in bedding.