WHAT'S SPECIAL ABOUT THIS 3D CONTOURED SLEEP EYE MASK Experience uninterrupted sleep with our 3D Contoured Sleep Mask designed for any sleep position, especially side sleepers. Our mask features a unique 3D contoured design that conforms to the shape of your face, ensuring maximum comfort and zero eye pressure. The slow rebound memory foam material provides a soft and comfortable fit while blocking out all external light, so you can rest easy knowing that you'll wake up feeling refreshed.