Made with our European Washed Linen fabric, 100% Linen from certified European Flax. Duvet covers are constructed with a 4″ flange on 3 sides with a decorative white satin stitch, a knife edge finish at the top, hidden zipper closure at the bottom, and duvet ties in all 4 corners. Shams are constructed with a 2″ flange on all 4 sides with a decorative white satin stitch and a envelope closure centered on back.