Similar to a pillowcase, this navy blue king cotton blend 1200 thread count washable duvet cover set is intended to encase your duvet or comforter for added protection. With sturdy construction from cotton blend, 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. King sizing is perfect for the primary bedroom. 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. 10.25" H x 14.63" W x 4" D.