Ralph Lauren 100% Organic Cotton Sateen Border King Duvet Cover BRAND NEW RETAIL PRICE : $470 COLOR : White/Platinum Crafted with cotton, the RL border duvet cover is woven with a 624 thread count achieved using 312/two-plied yarn to produce a heavier weight and a lustrous finish. Offering the silky hand of a fine sateen weave, each piece is enhanced with a contrast flange and is exquisitely detailed with mitered corners, French seams, and delicate hemstitching. Dimensions: 108"L x 96"W Hidden back buttoned closure 2" contrast flange with mitered corners Hemstitching between the body and the flange Made with environmentally friendly processes 624 thread count 100% organic cotton Machine wash