Ethically woven from the finest European flax, our mid-weight linen flax duvet cover set offers year-round luxury and feels as good as it looks. Pre-washed for superior softness and a perfectly lived-in vibe, our linen only gets softer over time. Nwot Woven from 100% European flax Set includes duvet cover and shams (1 standard sham included in twin size, 2 standard shams included with full/queen, 2 king shams included with king/cal king) Duvet includes button closure and corner ties to keep comforter in place Interior ties to keep comforter in place Envelope closure on shams Solid/Chambray Pattern: STANDARD 100 by OEKO-TEX® certificate 11-54954; made without the use of harmful chemicals or pesticides.