· Complete Silk Sheet Set: Our 4-piece Silk Sheet Set includes a Flat Sheet, a Fitted Sheet, and two double-sided Silk Pillowcases with an extra-deep envelope-style closures. The 17" Fitted Sheet is seamless and fully elasticized for a snug fit on mattresses up to 15" deep.· 100% Premium Grade 6A Mulberry Silk: Crafted from the finest, softest, and strongest mulberry silk fibers, our silk bedding delivers unmatched luxury. Our superior craftsmanship is in the details. Our flat sheets are finished with a wide cuff at the head of the sheet, the seams of our pillowcases and corners of our fitted sheets are finished with French seams for added durability, and our pillowcases have an extra-deep envelope closure.· Promotes Healthy Skin & Hair: Enhance your beauty routine with our 22 Momme Silk Sheet Sets. Known to prevent hair breakage and tangling, silk also naturally maintains your skin's natural moisture, promoting a hydrated, healthy complexion.· Temperature-Regulating Comfort: Our mulberry silk sheets offer indulgent, luxury sleep by naturally regulating body temperature for better, uninterrupted rest. Silk stays cool in summer and warm in winter, providing a year-round comfortable sleep environment.· Proud American Company: Mulberry Park Silk was named "Best Overall Sheet Set" by both Women's Health and Prevention's online magazine in its recent ranking of top silk bedding. Additionally, this pillowcase is ranked in Oprah Magazine as one of the "Best Silk Pillowcases". As a silk loving company located in CT, we know nothing is more important than a great night's sleep! If for any reason your silk pillowcase isn't right for you, please reach out to us and we will be happy to make it right!