Features: Stereoscopic Shading for Easy Sleep: The eye mask is made of polyester - cotton material, which is skin - friendly and comfortable, allowing for easy and restful sleep. It provides a stereoscopic shading effect, blocking out light effectively. Function Upgrades for Sleep Care: The eye mask has several functional upgrades to care for your sleep. It features a seamless, non - light - leaking design with a combination of multiple functions to gently care for your eyes. Ergonomic Design: The mask is ergonomically designed to fit comfortably on your face, ensuring a snug and pressure - free fit. 3D Deep Eye Sockets: It has 3D deep eye sockets that are designed using 3D stereo - cutting technology. This design conforms to the contours of your eyes, avoiding any pressure on them and ensuring maximum comfort. Unique Soft Nose Wings: The mask features 3D - trimmed nose wings made of soft material. These nose wings gently touch and conform to your nose bridge, ensuring a comfortable and light - blocking fit. Slow Rebound Memory Cotton: The mask uses slow - rebound memory cotton, which is a technological choice for comfort. It helps to relieve stress and provides a personalized, comfortable fit. Soft and Skin - friendly Fabric: The outer fabric of the mask is soft and skin - friendly, providing a delicate and comfortable touch, allowing you to enjoy a quality sleep experience. High - quality Elastic Band: The mask is equipped with a high - quality elastic band that ensures a secure and comfortable fit without being too tight.  Material: Polyester, Memory Cotton