Light-blocking: Effectively blocks external light, creating a dark sleep environment. Eye protection: Reduces eye fatigue and dryness, safeguarding visual health.High quality polyamide fabric+super resilient memory cotton+adjustable elastic band+soft nose support design+matching with gel ice bag, it fits the eyes and relieves eye fatigue. Sleep aid: Promotes melatonin secretion, regulates the circadian rhythm, and enhances sleep quality.3D sleep eye mask paired with earplugs create a quiet and comfortable sleeping environment for you. Versatile：The 3D sleep eye mask is suitable for various scenarios such as home bedrooms, office naps, long-distance travel, etc., providing users with a quiet and dark sleep space. How to use:Put the eye mask on your forehead and then tighten the elastic band. Pull the eye mask to the eye area and fit it perfectly with the nose. Press the nose area of the eye mask. Continue to adjust the elastic band, so that the eye mask fits snugly on your face. The 3D sleep eye mask features a three-dimensional design that perfectly contours to the eye area, providing comprehensive light-blocking effects. Meanwhile, its soft and breathable material ensures a comfortable wearing experience.