100% cotton.By choosing our cotton products, youre supporting our investment in Better Cottons 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 HTTIMade in a Fair Trade Certified factory, empowering workers who made it.Made in China.