Holaoso Sleep Mask - Effectively blocks light: premium fabric with an adaptive nose bridge that fits the bridge of the nose and adapts to every nose shape. The ergonomic 3D contour follows facial features to block light completely. - Pressure-free eye cups: deep 14 mm 3D contoured eye cups provide ample space for blinking without putting pressure on the eyes. Helps maintain comfort during wear. - Side sleeper friendly: ultra-thin edging and a secure fit support side, back, and stomach sleeping, reducing pressure on the temples. - Breathable and soft: slow rebound memory foam with an air hole design allows the skin to breathe naturally. Cool, smooth fabric keeps you feeling refreshed and not stuffy. - Adjustable to fit head width: strap buckle easily adjusts from 20 to 26 inches for a snug fit that suits most face shapes. Position of the eye mask can be adjusted for optimal coverage. - Materials and construction: designed with memory foam core and premium fabric for comfort and durability. Eye cups are 14 mm deep to maximize space and reduce pressure. - For both women and men: suitable for anyone seeking a comfortable, blocking sleep mask that conforms to facial contours and nose shape. Use scenarios - daytime naps or daytime light exposure: blocks ambient light so you can rest during the day or in bright environments. - air travel or commuting: keeps light out on planes, trains, or buses while allowing comfortable blinking and minimal temple pressure. - shift work or irregular schedules: supports deep, uninterrupted rest when sleeping in unfamiliar environments or during daylight hours.