Soft and smooth, Unique Bargains Silk Pillowcases are made of 100% natural mulberry silk on both sides, feature 19 momme, 400 thread count and hidden zipper closure design. The silk pillow covers are skin-friendly, make you feel cool in summer and warm in winter. Silk pillow cases reduce sleeping marks and wrinkles, also protect all hair types from friction, breakage, frizz, and bed head. Washing instructions: soak time should be less than 3 minutes, hand wash gently in cold water or dry…