*PLEASE NOTE! Additional shipping charges may apply when ordered with certain larger items, and/or for shipping to remote regions. 100% Mulberry Silk. Hypoallergenic and gentle on hair and skin. Completely natural and hypoallergenic, our 100% Mulberry Silk Pillowcase in Black is made with the finest Mulberry Silk to ensure quality and durability. Luxurious silk is cool to the touch, temperature regulating, and moisture wicking for a heavenly night's sleep, no matter the weather. Plus, silk is so gentle and soft, it allows your skin and hair to glide across the surface, preventing fine lines, protecting and hydrating skin, and reducing split ends — making these silk pillowcases a true sleep and beauty hack!. Details: Each pillowcase features a convenient envelope enclosure. Coordinating items sold separately. FABRICATION: 100% Mulberry Silk, exclusive of trim. 19 momme. CERTIFICATIONS: OEKO-TEX® Certified. This product has been tested for harmful substances and meets STANDARD 100 by OEKO-TEX®. Certification number: BJ025172302 TESTEX. SIZES AVAILABLE (IN STORES & ONLINE): One per package. Queen: 20" W x 30” L. King: 20" W x 36" L. SKU: SMSIPC21BK. WASHING INSTRUCTIONS: Hand wash separately in 30°C water. Use a gentle washing liquid that protects all your delicate items. Hang to dry out of direct sunlight. Do not bleach or iron. Wet dry clean possible.. QE Home 100% Mulberry Silk Pillowcase in Black, King