The Ninja Blackout Band is a revolutionary sleeping mask for anyone who is annoyed by light while sleeping. By buying the Ninja Blackout Band you will ditch your old sleeping masks that get dirty or stink after frequent use. This product is revolutionary because it is a sleeping mask in the form of sunglasses. While looking like sunglasses though they have completely blacked up lenses that gives you the opportunity wherever you are to get a small nap and simultaneous look comfortable and in good shape. Finally, by blocking almost 100% of the light interference you can even use them while tanning.