Slightly matte and resistant to wrinkles, this is our more casual take on chic sateen. You’ll love starting and ending each day under this cozy bedding, which is prewashed for softness that feels worthy of a five-star hotel. This bedding is proudly made at a Fair Trade Certified™ factory. Made of 100% cotton sateen. Pottery Barn is a proud member of the Better Cotton Initiative click here. Our cotton products support more sustainable cotton farming. Fair Trade Certified™. The purchase of this product helps ensure fair and safe labor practices, improve livelihoods, and empower workers to invest in their communities. Duvet features a button closure and interior ties to help keep insert (sold separately) in place; sham features an envelope closure. 400-thread count. Duvet and sham reverses to solid. Duvet, sham and insert sold separately. Machine wash. Imported.