Similar to a pillowcase, this blue and white twin extra long cotton washable duvet cover set is intended to encase your duvet or comforter for added protection. With sturdy construction from 100% cotton, the covering is designed to be soft and long lasting. The versatile design of this bedding gives you the perfect warmth to give you relaxation, style, and comfort all year long. Twin xl size is perfect for college dorm room. This duvet cover is the perfect accessory for anyone who is in need of a great night's sleep. Style, durability, and comfort combine so you can rest easy knowing that you're covered duvet cover. 15.00-inch h x 10.00-inch w x 2.00-inch d.