HIGHEST QUALITY BEST COTTON PILLOWCASES: New Better & Improved 2024 Version - An authentic King Size Pillowcase 1000 Thread Count with Sateen weave delivers the durability of hotel pillowcases. Yarns made with 100% long staple cotton fiber with Sateen weave retain softness for a lifetime, are fade resistant and eco-friendly. KING PILLOWCASE SET - Includes 2 Pillowcases: 21" x 41" finished size to fit king size pillows which are 21" x 36". EASY HOME LAUNDRY & QUICK DRY - Highest quality dye materials are used for fade resistance. Recommended for regular wash & short dry cycles for superior softness. CERTIFIED Standard/Queen 100 by OEKO-TEX. Extensive product checks and regular company audits ensure that the industry has a globally sustainable awareness of the responsible use of dyes.