One of the highest quality sleep masks is Cotton eye sleep mask. I highly recommend it, because it is made from comfy cotton, and with it, you can sleep everywhere comfortably.
This one is a sleep mask which includes some therapy function with hot or cold compress gel. With warm gel therapy, it helps you with many different kinds of situations. It will help you if you suffer dry eye syndrome.
Cold gel therapy can, on the other hand, eliminate circles under your eye and can refresh you and your eyes. The therapy mask usually reduces all kind of headaches and migraines.
Here is a sleep mask which is heated with electricity. It gives your eyes warm therapy and it can help you with getting rid of, for example, migraine, insomnia or fatigue.
Here is Sleep mask with headphones! This way you can block all the disrupting sounds and lights for the whole night.