Oversized comforter cover / duvet cover. Long-staple Supima® - America's finest grown cotton - spun with 500 super-fine threads to the square inch to enhance its extraordinary softness and durability. Button closure and hidden corner ties hold comforter in place. Matches our 500-Thread-Count-Eloquence-Supima®-Solid-Sateen-Bedding 100% cotton. Machine wash. Imported. Exclusively ours. Experience five-star luxury, every night of the week, with our super-soft oversized 500-thread count comforter cover. Made from long-staple Supima® cotton – the finest American-grown cotton – this luxurious comforter cover is spun with 500 super-fine threads to every square inch for exceptional softness and strength. Convenient button closures and interior corner ties hold the comforter in place.