Flannel Soft Material Makes You Enjoy the Comfy Sleep:Uses high quality flannel fabric and brings a soft touch,eco-friendly and skin-friendly.Both inside and outside are made of warm and cozy fabric,makes your body warm in all seasons,especially in Winter. Outstanding Design:According to the mermaid tail design,it can completely cover you feet,warms your feet whenever and wherever.Elastic fabric,easy to get inside and out.Fine stitch makes it more durable. Multiple Uses and Easy to Carry:It is great for home,air conditioned room,sofa,camping.Makes you comfortable when lying down,reading,watching TV,chatting.It is lightweight and foldable,it occupies little space and you can carry it anywhere. Great for all Seasons:Good capability of warming,kid can put feet into the tail to warm them.It can be used as body warmer blanket and sleeping blanket,a healthy daily article for keeping away from cold. A Perfect Gift for Kids:Beautiful and dreamy design.Not only meets the need of being obsessed with Mermaid,but also keeps warm whenever you need.It is a good present for child.