100% Polyester. The Fabric Features A Smooth Surface, Usually With A Shiny Finish And A Dull Back; The Satin Is Cool To The Touch And It Will Warm Up With Body Temperature. For Those Who Prefer To Sleep On A Cool Surface And Stay Warm During Deep Sleep, Satin Is A Better Choice. It Can Be Used In All Seasons. Features Haircare, Satin Helps Smooth Frizzy Hair And Reduce Static Electricity; Skincare, Satin Reduces Friction Between Skin And Fabric And Prevents Fine Lines And Wrinkles. A...