About this item OEKO-Tex Standard 100 Certification - Proven by the Oeko-Tex certification, which ensures that the fabric and filling material was constructed with healthy and natural materials Natural Material – THXSILK silk sheets are constructed with natural protein fibers. Ideal for your skin Perfect for Hot and Cold Sleepers - Silk's natural temperature regulating properties keep you comfortable in every season. It can effectively reduce hot or cold irregularities when sleeping by wicking moisture from the body and adjusting to body temperature High Quality Craftsmanship & Design - Professional produced silk flat sheets. Deep pocket fitted sheet with elastic all around can fit mattresses up to 16". One stunning pillowcase with zipper closure. Great gift idea for special occasions like Thanksgiving, Christmas or anniversaries Multiple Benefits - Super soft, comfy and smooth yet breathable, best for skin care; helps to retain moisture on skin