Features Unique thermal bonding tech--Low rebound memory sponge, soft and comfortable. No pressure on eyes, wider and deeper than other flat patches (silk patches can compress eyes). Unique thermal bonding technology instead of glue, durable, not easy to fall off. Good quality fabric that won't stain sheets or pillows. Memory sponge makes you feel comfortable. Fit all sizes of head circumference, fully adjustable buckle, easy to adjust, won't clip hair Effectively block light, let your eyes shine freely. Perfect for meditation, yoga, travel, naps, insomnia. Feature: 1.Lightweight, breathable and comfortable to wear. 2.The ergonomic design does not put pressure on your eyes, making the contours perfectly the curve of any face. 3.Effectively block all annoying light, help you fall asleep quickly, enjoy a happy sleep, and rejuvenate when you wake up 4.The squat design allows you to open your eyes without touching the mask with lashes, and there are no messy on the plane. 5.The band can be adjusted to your head with a rear hook and loop adjustment. 6.Easy to clean: Quick and easy to clean by hand washing with a mild detergent. 7.For insomnia, migraine and dry eye patients, mild sleep, good partners on the road or at to provide the best help. Features: Material: rebound memory foam How to wear: elastic band Size: about 24*10.5CM/9.4*4.1in Color:black Package Included: 1 x Eye Mask Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.