Construction Made with 100% cotton. Reverses to the same. Duvet features a hidden zipper closure with inner ties that keep the insert in place; sham features a zip closure. Shams sold individually. Duvet, sham, 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. 14.HUS.42449 Hohen