Total Blackout】Latest ergonomic sleep mask with upgraded nose cutout and 3D contours fit face snugly to block light completely, doesn’t compress eyes or face. Promotes longer deep sleep. 【Great for Side Sleeper】Ultra-fit thin sides enable maximum comfort for sleeping on your side, back and stomach. Minimize pressure on temples and keep out light from all sides. 【Pressure-free Eye Sockets】Wider 3D eye cups provide large space for free blinking. It doesn't compress the eyelids or eyelashes like a flat silk sleep mask. Zero pressure on eyes and no worries about smudging makeup. 【Soft & Breathable】Slow rebound memory foam with air hole design allows skin to breath naturally. Lightweight, cool, smooth fabric feels refreshed and never stuffy. 【Upgraded Ear-friendly Symmetrical Strap】Fully Adjustable elastic band stays in place all night without tangle in hair. No buckle loops irritate ears or press temples like others. Won’t twist or slip off. Nice for side sleepers, men women kids. 【Warm Tips】Hand wash with water below 40℃ before first use to achieve better use effect. Do not bleach, do not Iron. When wearing a sleep mask, the specific position of headband depends on the comfort and eye level.