Luxurious black silk sleep mask by Brooklinen. Perfect for a restful night's sleep. Sleeping on our luxurious Mulberry Silk protects skin and hair from friction damage. Our Mulberry Silk is versatile: it's naturally cool to the touch while possessing a breathable yet insulating fabric, which makes it great for all seasons. 100% Pure Mulberry Silk Luxurious charmeuse weave Features a soft and gentle elastic band Machine washable NWT Color: Carbon (Dark Grey)