【100% MULBERRY SILK】: The contour pillow case is made of 100% pure natural mulberry silk, which is a natural fiber that contains 18 kinds of amino acids, which helps relieve skin discomfort and lock in skin moisture. Real silk has anti-static and friction properties that reduce the appearance of wrinkles and is great for frizzy, unruly hair, breakage, and hair loss. 【COMFORTABLE SLEEPING EXPERIENCE】: The pure natural silk material improves the silk pillowcase for contour pollow's moisture absorption and quick-drying effect. Soft and breathable fabric allows you to feel cool in summer. The pillowcase is OEKO-TEX certified, ensuring that no harmful chemicals are used in the production process. 【EASY TO CARE】: The back of the memory foam pillow case is designed with a zipper, which makes it easy to remove and keep clean. The silk pillowcase can be hand washed and machine washed without worrying about fading or shrinking. It maintains a silky texture and provides a long-lasting sleep experience. It is recommended to machine wash in cold water on gentle cycle and avoid exposure to sunlight when drying. 【HIGH QUALITY CRAFT】: The Silk Pillowcase for Memory Foam Pillow is specially designed for contour pillows and fits the contours of the pillow perfectly. Exquisite stitching allows you to enjoy a high-quality sleep. The exquisite packaging is suitable as a gift for family and friends to pass on this comfort. 【SATISFACTION GUARANTEED】: We are so confident in the quality of our product that we offer a 30-day satisfaction guarantee! If you are unsatisfied, simply contact us to return the product for a full refund.