Similar to a pillowcase, this white 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. As a bonus, this bedding fits the best of both worlds! It was expertly designed to stay warm in the winter but cool in the summer. King sizing is perfect for the primary bedroom. This duvet cover is perfect for relaxation. Throw on your slippers and climb into bed for a restful night’s sleep, lazy days and movie nights at home. 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