• Made from 100% natural 22 Momme mulberry silk for a soft and fresh feel. • Breathable design that helps minimize the appearance of wrinkles during sleep. • Hypoallergenic properties that help avoid allergies and asthma associated with synthetic fibers. • Oeko-Tex certified fabric that guarantees manufacturing free of harmful chemicals. • Made with pure silk filling, silk inner lining, and a wide covered elastic band. • Ideal for plane or car travel, naps, yoga, meditation, and a restorative rest.