1. GENUINE ORGANICALLY GROWN VISCOSE DERIVED FROM BAMBOO - Crafted from the finest Organically Grown Viscose Derived from Bamboo Fibers, our luxury bed sheets are OEKO-TEX Standard 100 Certified and have been tested for over 100 harmful substances, ensuring that it is and y for your family while never being blended with other fibers or fabrics. 2. 2-PIECE KING PILLOWCASE SET - King Pillowcase set includes two generously sized King size pillowcases (20"x40") designed to fit even the most robust King Size pillows while providing a sensuous and silky feel that grows luxuriously softer with every wash. Pillows not included. 2 piece set includes 2 King Size envelope-style overlapping closure pillowcases only. 3. ENVELOPE-STYLE CLOSURE, DOUBLE STITCHING CONSTRUCTION - Pillowcases feature premium quality sewn double-stitched outer seams to ensure long-lasting durability and a cozy envelope-style overlapping closure to keep your pillow securely inside the pillowcase while you sleep and provide a cooling sensation to ensure a relaxing night of sleep. 4. ULTIMATE COOLING SOFTNESS and BREATHABLE COMFORT - Pillowcases are crafted from fabric that is thermo-regulating to keep you cool while your sleep and provide all season comfort. The moisture-wicking properties of our resort-grade bedding and pillowcases keep you cozy year-round and is perfect for those of you with sensitive skin.