This is the electric blanket "YMS-102" from YAMAZEN (Yamazen). It's a single size (approx. 130 x 80cm), making it easy to use not only on a futon but also as a throw on a sofa or as a lap blanket. It has strong, medium, and weak temperature settings, and the head-to-foot wiring warms your feet effectively. The main body is washable if you remove the controller, so you can always keep it clean. It's designed to be energy-efficient, making it economical to use. It's new, unopened, boxed, and comes with a warranty.