Similar to a pillowcase, this black king cotton blend 300 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. A great addition to your bedroom, this duvet cover will add a soft touch of plushness and comfortable warmth. Dress your bed in style with this duvet cover. 9.75" H x 12.88" W x 4" D