high quality Widely Use eye mask can be carried with you on airplanes, trains, cars, in the office, at home... It makes easier to adapt to different conditions for sleeping, napping, meditation, or any time during the day that requires relaxation. Warm Tip: During the production and transportation of the product, there may be unpleasant odors. Please gently clean the eye mask with your hands before the first use.Block Out Light EffectivelyWith 3D deep contouring design, sleep mask ensures fit to your eyes and could block effectively all light sources, you can rely on these lids to create a pitch black environment, promoting depth and uninterrupted sleep.Free AdjustmentThe adjustable straps of eye covers for sleeping can be used for women and men, ensuring to fit the head size of 46-67.5cm/18.11-26.57inch, it's easy to adjust and secure, preventing slipping or displacement at night. Straps also contribute to the overall comfort of eye masks.NO Eyes PressureAdopting a 3D deepening groove design, the eye mask with deepened eye socket grooves adopts an ergonomic arc design, after hundreds of fine adjustments to obtain parameters for the depth, width, and spacing of the eye sockets, so achieve zero pressure and also allow your eyelashes to stretch.Improve SleepUsed thick memory foam, which is soft and skin friendly. 3D eye mask feels luxurious and gentle on your face, making you sleep comfortably all night without any discomfort or stimulation. (Note: hand wash with water below 40 /104, please wash the eye cover for sleeping and let it dry naturally before use.)