This Hibernating sleep mask from Mary Green is a fabulous, affordable, gift for a special man. Made of luxurious silk satin, for heavenly sleeping bliss, the mask features an elastic strap, for a comfortable fit. Mary Green sleep masks are a popular gift item and fashion accessory. You'll love indulging in the comfort of silk while you sleep at home, while traveling, or blocking out the light on a long airplane ride. Keep one handy for home, and one for travel.