Features: Simulated silk, with a soft and smooth touches,friendly two side design suitable for long time wear. Fine sewing process is adopted to ensure that every detail is flawlessly and improve overall comfort and durability. Compact and easily foldable, it’s convenient to carry and suitable for various environments such as travel, work, or home relaxation. Ergonomic design to fit closely to face contours, it prevents light leakage and enhances rest quality for students and professionals. Double Sided Comfort: Both sides from synthetic fabric, providing different texture choices and extending the product’s durability for customized experiences. Specifications: Material: Simulated silk Process: Fine sewing process Size: about 22x9.5cm/ 8.66x3.74in Standard Color: Optional Package Includes: 1PC Double-sided silk eye mask 1PC Bilingual instruction manual 1PC Storage storage bag note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.