100% Skin Friendly Material: Made of natural lightweight and breathable materials. Cotton filled into mulberry silk fabric. Super light weight, ultra soft and comfortable.Blocks out Light Design: Ensure complete darkness, offer you a Mid-night's environment. Put on it and enjoy your "good night" whether at home, in a hotel or on the plane.Adjustable & Flexible:The soft adjustable strap won't tangle hair, flexible and durable to surround your head comfortably. To form the most comfortable fit in any sleep position.Additional Accessories: Additional earplugs help to prevent noise around you, work together with the mask to give you a more comfortable relax environment- Quiet and darkness.No pressure on eyes: Gritin Sleep Mask's soft touch and adjustable strap size make it fit tightly to your eyes without causing pressure on eyes or feeling any discomfort during sleep. It is a good partner for you to relax completely and enjoy sleep.