The Restful Nights Down Alternative Lightweight Cotton Blanket completes your bedding ensemble by bringing an extra soft and luxurious layer to your bed. Easily insert your blanket duvet into your duvet cover through the buttoned flap at the bottom and secure it in place. This hypoallergenic blanket duvet uses a down alternative filling that mimics the warmth and qualities of real down. This Restful Night Blanket Duvet is designed to add a level of plush, feel and look making your bed warm and inviting. With the soft cotton cover you can also use the blanket duvet by itself, providing an additional layer of warmth. This blanket duvet is light weight and is ideal for all seasons.