Our special TENCEL™ fiber is made of Eucalyptus and is one of the most eco-friendly textiles on earth. It is incredibly soft and smooth/silky compared to other fibers for a truly luxurious feel. Our TENCEL™ sheets wick moisture 50% more effectively than cotton, keeping you comfortable as you sleep. It is naturally hypoallergenic, and made from natural eco-friendly materials. TENCEL™ is also naturally resistant to wrinkles. These sheets have a deep 15" pocket to accommodate even the thickest mattresses.Treat yourself to the luxurious feel of TENCEL™ Lyocell; it feels smooth to the touch and cool to the body. Some of the nicest pillowcases you will ever own.