The sleep mask that looks like a bra for your eyes. Created from the same material as swimwear, the 40 Blink mask weighs just .57 ounces and conform to facial contours without adding uncomfortable pressure around eyes. The completely light-blocking convex eye sections allow the wearer to blink without friction and protect natural or false lashes side lashes from twisting and tangling during sleep.Adjustable elastic strap with velcro closure allows the wearer to create the perfect fit without pressure on the ears. It feels like someone turned out the lights! The 40 Blinks are ultra-flexible and can be folded in half and fitted into a pocket for portable sleep while traveling. This mask is great for people who travel long distances, work a double shift and would like to nap during their break or who work nights and have to sleep during the daytime hours, and for anyone who just craves a good night\'s sleep. Light is the number one reason that people can\'t sleep and the 40 Blinks Eye Mask, while blocking light, encourage natural melatonin production so that wearers sleep more deeply and for longer periods.