Thank you for choosing to cooperate with us! Our blankets are made of flannel, which is soft, comfortable and warm. They are suitable for use in various occasions where rest or relaxation is needed. Whether it's a short nap, lying on the sofa to watch TV, or working under an air conditioner, this blanket will meet your needs. Our blankets are available in four sizes. The 30*40 inch size is relatively small and is suitable for children, or for keeping the legs warm. The 40*50 inch size is perfect for keeping the legs warm on the sofa. The 50*60 inch size is suitable for petite women or for curling up for a nap. The 60*80 inch size is large enough for all daily scenarios. We hope that our blankets can bring you comfort and warmth in your life.