Blocks Light Perfectly - our sleep mask add innovative design on nose, unique alar full fits your nose, preventing any light come in from the bottom. Almost no pressure on your nose, suitable for any height of nose. | Unique Adjustable Straps - Gentle, elastic, easy-to-adjust headband won't tangle hair or snag pillow like other sleeping masks that use VELCRO. It has a 8.5 inch range which adjusts to up to 16.8 inch, Best sleeping mask fit for women men children | 3D Contoured Design - The eye space is wider and deeper than the traditional flat eye mask, no pressure as on your eye balls, your face, won't rub against your eyelids | Super light & Comfortable Material - Light and Smooth Material no any press on you eyes, Ideal for insomnia, migraine headaches and dry-eye sufferers; Luxury pattern helps you sleep better and look great. Perfect for traveling to help keep you feeling rested and refreshed | Warranty & After-Sales Service -A unique gift for anyone wanting deep, uninterrupted sleep. 30 days full refund guarantee and 7*24 customer service, We are committed to 100% satisfaction of our customers. If you find any issue feel free to email us.