Construction Woven of 100% cotton. 200-thread count. Duvet features a hidden button closure and sham features an envelope closure. Duvet cover and insert sold separately. Shams sold individually. OEKO-TEX® STANDARD 100: tested against 1000+ harmful substances. 14.HUS.42449 Hohenstein Imported. Care Wash before first use. Machine wash warm water, gentle cycle. Use only non-chlorine bleach when needed. Tumble dry low, remove promptly.