Pottery Barn describes as: Lounge in style when you dress your bed in romantic ruffles. Our Belgian Flax Linen Raw Edge Duvet Cover is made of ultrasoft linen woven from Belgian flax and constructed with a stunning ruffle detail for a dreamy appeal. The durable materials get softer with every wash. Linen woven from 100% Belgian flax; reverse is 65% linen and 35% cotton blend. Breathable Belgian flax linen is ideal for warm or cool temperatures, and its durability lets you love it for years. Soft and cool to the touch. Microscopic breaks in the fabric provide a light massaging effect, and high absorbency meaning they'll always feel fresh and cool. Oeko-Tex certified, the definitive mark of excellence for products that are healthy for you and healthy for the environment. Sham features an envelope closure. Inserts sold separately. Imported.