Finally, get a good night's sleep, even if you are naturally too hot or too cold. The Cushello is the world's first truly adjustable duvet. Thanks to an innovative quilt-in-quilt design, you can remove the inner core in just seconds. It's perfect for summer time. The Cushello comforter also comes with a free storage bag, so you can keep your inner core safe and clean until it's time to put it back on for extra warmth and bulk.To set up the Cushello, simply add or remove the included gel fiber core. By using the easy-to-click corner loops, your core will stay securely in place until it's time to remove it.Made from a 100% cotton 250 thread count comforter, the Cushello adjustable comforter is treated to be antimicrobial, making it the healthy, allergy-free choice for your family. Includes: outer duvet, inner duvet and storage bag.