Three ways to use it with just one sheet! A warm waist blanket for cold winters with a built-in aluminum sheet! Warm like a blanket with a built-in aluminum sheet and moisture-absorbing, heat-generating boa! Built-in aluminum sheet + moisture-absorbing, heat-generating processed back boa. The three-layer structure with an aluminum sheet reflects and traps body heat, making it very warm. The boa on the back is treated with moisture-absorbing, heat-generating processing, which absorbs moisture (sweat) to generate heat and keep you warm. Feel about 1.9°C warmer compared to general fabric! Warm feet with a length of about 90cm. The long size of about 90cm keeps your feet warm. Three-stage size adjustment with snap buttons. The waist has elastic for easy use! It has convenient buttons that are easy to attach, allowing you to adjust the size. *The images shown have colored snap buttons for easy understanding. 3-way, versatile use, warm anytime! Can be used as a lap blanket, waist wrap skirt, or poncho, depending on the situation. Convenient for use at home, in the office, in the car, for watching sports, outdoors, camping, etc. Washable! You can wash it, so you can always use it clean. Thank you for viewing.