Construction Linen woven from 100% Belgian flax, prewashed for a supersoft hand feel. Reverses to the same. Ideal for warm or cool temperatures. Color variations are inherent to natural fibers, and slight variations may occur to what is shown online for our Flax color option. Duvet features a hidden button closure with inner ties that keep insert in place; sham features an envelope closure. Duvet cover and insert sold separately. Shams sold in Set of 2 or Set of 4. OEKO-TEX® STANDARD 100: tested against 1000+ harmful substances. 14.HUS.42449 HOHENSTEIN. Imported.