SATISFACTION GUARANTEED - We are so confident in the quality of our product that we offer a 30-day satisfaction guarantee! If you are unsatisfied, simply contact us to return the product for a full refund. HIGH QUALITY CRAFTSMANSHIP & DESIGN - Our luxury smooth eye mask is pure silk inside and out, from its pure silk filler, silk internal liner and silk-covered elastic band. The wide head strap keeps the eyeshade on while you’re sleeping. Why not buy two and rotate between them?. SLEEP IN ANYWHERE ANYTIME - Travel luxuriously and sleep soundly with this soft natural silk eye cover. Ideal for airplane or car travel, afternoon catnaps, yoga or meditation, and a good night’s sleep. Perfect gift idea for her/him and special occasions like Valentine’s Day, Christmas or anniversaries. NATURAL MATERIAL - THXSILK 19 momme mulberry silk sleep mask is a natural fiber, and it helps to relieve skin discomforts, which could be caused by cotton and other synthetic fibers. Proven by the Oeko-Tex certification, which ensures that the fabric was constructed with healthy and natural materials. SLEEP IN & WRINKLES OUT - Try our 100% top-quality natural mulberry silk eye sleep mask to ensure a night of uninterrupted beauty sleep. THXSILK's exceptionally 19 momme mulberry silk feels delightfully cool and smooth against your skin. The sleep mask covers your delicate eyes with advanced care, to minimize the appearance of wrinkles while you sleep.