100% cotton. By choosing our cotton products, you’re supporting our investment in Better Cotton’s mission. This product is sourced via mass balance and therefore may not contain Better Cotton. Learn more. 200 thread count. Duvet Cover: Button closure; four interior corner ties keep it in place. Shams: Envelope closure. STANDARD 100 by OEKO-TEX® Certified: tested for 400+ harmful substances. 21.HUS.86232 HOHENSTEIN HTTI Made in a Fair Trade Certified™ factory, empowering workers who made it. Made in China.