Construction Made of 100% cotton, reverses to same. Duvet features a hidden button closure with inner ties to keep insert in place. Duvet and insert sold separately. 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. OEKO-TEX(R) STANDARD 100: tested for 1000+ harmful substances to keep you and your family safe. 14.HUS.42449 HOHENSTEIN HTTI. Imported. Care Machine wash in warm water, gentle cycle. Use only non-chlorine bleach, if needed. Tumble dry on low heat. Warm iron as needed.