Dorchester Ritz Sateen Stripe Quilt Duvet Cover Set 100% Cotton 300 Thread Count &ndash; Queen (Duvet Cover + 2 Pillow Shams) Queen 90" x 87" + 2 Pillow Shams 20"x 30" Material: 100% Cotton; 300 Thread Count Washing Instructions: Machine Washable at 30 C; Button Fastening Also comes in White.