100 percent POLYESTER SATIN: Satin pillow cover utilizes 100 percent polyester satin to provide resilient feel with a distinctive and lustrous appearance - High quality satin is more sturdy and durable than silk pillowcases, which need professional cares - Luxury satin pillowcase provides smooth and soft feeling to ensure your tight sleep with stain resistant. ULTRA SOFT and SMOOTH:Satin Pillowcase creates less friction of your beautiful curly hairstyle and reduces hair breakage than sleeping on cotton pillowcases - Will NOT absorb moisture to help retain your shiny hair, perfect for curly hair - Silky and smooth satin pillowcases protect your hair to keep tangle and frizz free. Satin Pillowcase with Envelope: Envelop closure (no zipper) design | wrinkle resistant, comfort and better fit. The Envelope closure end design prevents your pillows escaping from pillowcase during your sweet dream.Care instruction: turn the satin pillow case inside out, place inside a mesh laundry bag, and wash with a mild detergent. Satin Pillowcase Standard Size :Multiple colors and sizes for your choice. Queen Size: 20''x30'', Standard Size: 20''x26'', King Size: 20''x40''.