The Sutton Duvet Cover Set shows off subtle stripes in dark, medium and light blue amidst a white seersucker background. The different stripe widths along with the color variations add dimension to this clean look. Made from yard dyed, 100% cotton, this set includes a duvet cover and two shams. A duvet cover is a protective cover for your comforter, most likely for your down comforter. Sometimes it’s referred to as a comforter cover. Duvet covers are not filled. It has an opening where you can insert your comforter. Filler not included.