The Portable Heated Blanket with 20000Mah 7.4V Power Bank is a large-sized travel blanket made of heavyweight flannel fabric in a solid gray color. It features a 71" × 43" dimensions, making it perfect for providing warmth and comfort on the go. With a built-in 20000Mah power bank, this blanket is cordless and easy to use. The velvet material and 100% polyester fabric type ensure a cozy and comfortable experience, while the lithium polymer batteries provide long-lasting power. Ideal for all ages, this heated blanket is a convenient and stylish addition to any home or travel essentials.