Sleep soundly and comfortably with a machine washable plush eye mask made from 100% natural materials. Our 100% silk eye mask feels smooth over the eyes, with extra plush 100% cotton padding on the inside. The back band is fully covered elastic that stretches for a comfortable fit. Easy to care for! Machine wash on delicate cycle in cold water with a gentle detergent. Tumble dry low for 20 minutes and lay flat to dry for remaining time.