Similar to a pillowcase, this platinum king 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. 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. Dress your bed in style with this duvet cover. 10.25-inch h x 14.63-inch w x 4.13-inch d.