100% Mulberry Silk: This silk pillowcases are all made of 100% natural silk, it is an absolute must for anyone in search of a beautiful night's sleep. Silk Pillowcase for Hair and Skin: Silk nourish the skin, prevent skin aging, clean the skin. Especially for sensitive skin and delicate skin. Also can keep the hair supple and smooth. Natural Temperature Regulator: Pure mulberry silk is a natural temperature regulator which is skin-friendly and moisture to help feel cool in summer and warm in winter, you will enjoy sweet dreams. Size and Color: Multiple colors and sizes for your choice. Each special designed box have 2 pack Pillowcases , can be a great gift for any occasion like Mother's Day, Christmas etc. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.