• Made with 100% real mulberry silk on both sides for a soft, breathable and natural feel. • 100% opaque design that totally blocks light to ensure uninterrupted sleep in any environment. • Adjustable elastic strap that fits heads from 18,5 to 28 inches without generating pressure or discomfort. • Specially designed to minimize friction on the bridge of the nose, eyelids and temples. • Hypoallergenic fabric ideal for people with insomnia, migraines or dry eyes. • Perfect for use at home, flights, long car trips or meditation and yoga sessions. • The lot includes two units in Black and Ruby Purple colors.