Naturally Cooling Pillowcases That Are Silky Smooth & Hypoallergenic These eucalyptus pillowcases are made with a sateen weave and a luxurious sheen – giving them a silky smooth and naturally soft feeling that will carry you into absolute bliss. TENCEL™ lyocell pillowcases are exceptionally breathable, temperature regulating, and moisture-wicking - making them the best cooling pillowcases whether you’re a hot sleeper, have night sweats or just want to sleep in complete luxury. In fact, they naturally absorb & wick away moisture 70% better than cotton & they are 3x softer. All that + our pillowcases come with an envelope closure to keep your pillow secured inside at all times! Sustainably Made & Certified Our eco-friendly pillowcases are made of 100%  TENCEL™ Lyocell fibers. The environmentally responsible, closed loop production process uses renewable wood sources and recycles water at a recovery rate of more than 99%, ultimately saving water, energy, and producing less waste. The TENCEL™ lyocell in our pillow cases is USDA Certified Biobased and Ecolabel Certified – i.e. they are wood based. They are also certified as compostable and biodegradable, and thus can fully revert back to nature.