Soft and smooth, Unique Bargains Silk Pillowcases are made of 100percent silk on both sides, feature 22 momme, hidden zipper closure design. The silk pillow covers are skin-friendly and feel cool in summer and warm in winter. Silk pillowcases reduce sleeping marks and wrinkles. Washing instructions: soak time should be less than 3 minutes, hand wash gently in cold water or dry clean. Wash separately from other items to avoid color mixing. Do not bleach, do not wring; air dry, iron the…