• Made of 100% natural pure silk for a soft and comfortable rest. • Includes adjustable elastic strap designed to avoid pressure on nose, eyelids, and temples. • Ideal for use in travel, airplanes, camping, or at home. • Effectively blocks light to facilitate deep and uninterrupted sleep. • Breathable and hypoallergenic natural fibers that care for facial skin. • The package includes two sleep masks in black and purple colors.