Satin pillowcases are made with high-quality polyester satin fabric.satin is the closest fabric to silk. Polyester satin is as smooth and soft as silk. Compared with silk the polyester satin costs lower and more durable , and it is not easy to be allergic and wrinkled.The pillowcase comes with a matching soft silk hair elastic and a satin eye mask. It’s a perfect idea for gift.Welcome to brand your logo.