100% TENCEL™ Lyocell. Textiles of TENCEL™ are more absorbent than cotton, softer than silk and cooler than linen. TENCEL™ is a Lyocell fiber sourced from responsibly managed forests. Its sustainable, closed-loop process has a recovery rate of more than 99%. 320-thread-count. Duvet Cover: Button closure; four interior corner ties keep it in place. Shams: Envelope closure. Made in a Fair Trade Certified™ facility, benefiting the workers who make it. Made in Pakistan.