These are the pillowcases that wick away moisture to create a comfortable, consistent humidity. The pillowcases are embedded with millions of microporous, 0.002mm diameter particles that are undetectable by sleepers and capture, vaporize, and release moisture away from the head. The particles create 800% more surface area on the fabric, providing greater exposure to moisture and removing it 5X faster than typical fabrics. Since the particles are permanently embedded in the yarn they will never degrade or wash out. Made from 80% cotton and 20% cocona, the pillowcases are luxuriously soft and smooth. White or Ivory.