Key features Versatile materials for comfort and care 100% silk pillowcases for gentle contact with hair and skin 100% satin pillowcases as a satin option Cotton pillowcases and cotton satin variants Flannel, fleece, and percale fabric options Copper infused pillowcases offering a cooling feel Wide size compatibility 14 x 19 pillowcase 20 x 30 pillowcase 20 x 48 body pillowcase Standard size pillowcase Extra large pillowcase options Designed to fit standard pillow cores, body pillows, and related pillow cores listed in the product line Practical design details Envelope closure to keep the pillow securely in place Multiple fabric choices to suit different environments and preferences Copper infused versions available for cooling performance Cold pillowcase variants designed to stay cool during sleep Packing and variants Each includes 1 pillowcase Available in a range of materials and sizes to match your pillow type and sleeping needs Designs and fabric availability may vary by listing 23 use scenarios Everyday hair and skin care Use a silk or satin pillowcase to reduce friction on hair and facial skin, helping to minimize frizz, breakage, and sleep lines. Hot sleepers and cooling nights Choose a copper infused or cooling fabric pillowcase to help regulate temperature and stay cooler through the night. Pregnancy, body and travel pillows The 20 x 48 body pillowcase and standard/extra large sizes support larger pillows and pregnancy cushions Envelope closure helps keep the pillow secure during sleep or travel Specifications in brief (brandconsistent) Materials available: silk, satin, cotton, flannel, fleece, percale, copper infused fabrics Sizes available: 14 x 19; 20 x 30; 20 x 48; standard size; extra large Closure: envelope closure Special features: copper infused options for cooling; staycold variants Packaging: 1piece pillowcase per Compatibility: suitable for pillow cores including standard, toddler/pediatric, and body pillow dimensions cited in the product range