1. 3D contour sleep design, eyes will not touch the eye mask when opening and blinking
2. Made of high-quality fabrics, comfortable and skin-friendly
3. The nose part has artistic invisible foam that prevents any type of light, whether bright or the brightest, creating complete darkness for light sleepers
4. The edges are waterproof and can be machine washed
5. Non-slip silicone elastic band, stable to wear and not easy to fall off
6. The velcro strap of the eye mask is adjustable and suitable for most people