Step it up. The graduated colorblock pattern on our Stepped Stripe Duvet Cover + Shams features one accent stripe to wake up your look. To vary your look from day to day, you can even arrange it horizontally or vertically. * 60% cotton; 40% polyester. * 180 thread-count. * Duvet Cover: Button closure; four interior corner ties keep it in place. * Shams: Envelope closure. * Select sizes are online/catalog only. * Imported.