Low - Rebound Memory Foam, Soft and Comfortable. No pressure on eyes, eye space is wider and deeper than other flat eye mask (Silk eye mask will oppress eyes) Unique heat-bonded technology instead of glue, sturdy and durable, no easy to fall apart. Top quality fiber fabric never stain bed sheets or pillows. Memory foam makes you feel comfortable. Fit all size head circumference, fully adjustable buckle strap, easy to adjust and not catch hair. Effectively blocking lights and allows your eyes freely blinking. Ideal for meditation, Yoga, travel, napping, insomnia. 6 Reasons for You to Choose Our Luxury/Deluxe Sleep Mask: When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!