Protects from dirt and dust to extend the life of your pillow 100% pure mulberry silk floss fill with cotton shell Machine washable & dryable Designed to regulate temperature, our Silk Filled Pillow Protector can help improve the quality of your sleep. The quilted silk doesn't shift or bunch and provides an additional layer of comfort. Fabricated with 100% mulberry silk floss, this protector wicks away moisture and promotes a more comfortable night’s sleep, especially for those who run hot! Ideal for allergy sufferers, silk is naturally hypoallergenic and resistant to dust and house mites, mildew, mold, and rot that afflicts other fibers. FABRICATION: Fill: 100% Mulberry Silk, 150 GSM Shell: 100% Cotton Percale; 200 Thread Count Backing: 100% Microfiber ** For health reasons, pillow protectors are final sale. SIZES AVAILABLE (IN STORES & ONLINE): One (1) pillow protector per package. Standard: 20" x 26". Queen: 20" x 30" King: 20" x 36" FABRICATION: Fill: 100% Mulberry Silk, 150 GSM Shell: 100% Cotton Percale; 200 Thread Count Backing: 100% Microfiber SKU: BDSHPPSI WASHING INSTRUCTIONS: Always use a pillowcase to cover protectors. Can be spot cleaned with a gentle washing liquid that protects all your delicate items. Should they require a thorough cleaning, machine wash cold on delicate cycle using a gentle washing liquid that protects all your delicate items. Dry on delicate cycle on low heat (high heat can damage the silk floss).