Effectively Blocks Light: Featuring premium fabric with additional adaptive fit for the bridge of the nose, the Holaoso sleep mask perfectly adapts to every nose shape. The ergonomic 3D contour perfectly adapts to the contours of the face, effectively blocking all light. .Pressure-Free Eye Cups: Deep 14mm 3D contoured cup eye cups leave more space for blinking without putting pressure on your eyes. This sleep mask for women and men will improve your sleep quality. .Sleep Mask for Side Sleepers: The sleep mask with ultra-fitting thin edges provides maximum comfort for side, back and stomach sleeping, which can reduce the pressure on your temples. .Breathable and Soft: Slow rebound memory foam with air hole design allows the skin to breathe naturally. , cool, smooth fabric keeps you feeling refreshed and never stuffy. .Adjustable to fit head width: Easily adjust the strap buckle from 20 to 26 inches for a snug fit that suits any face shape. Adjust the strap for the positioning of your eye mask.