Mummy sleeping bag head shape fits the head better and keeps warm, the lower body is rectangular, you can move your foot freely. The use size of our adult sleeping bag is 31.5"x84.6", the foot zipper can be opened for good ventilation, more spacious than regular envelope sleeping bags!If you want to sleep with your family, you can also combine 2 sleeping bags into a two-person sleeping bag. 400T 40D high-density nylon fabric, anti-moisture, anti-tear, anti-drilling, high-quality zipper is very smooth to use, the design of the diamond grid makes the down distribution more even, well-made, high-density quilting prevents the down from coming out. Anti-pinch cloth strips added to the zipper. Always provides our customers with the best sleeping bag products and services. As our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. This item is in the category "Sporting Goods\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags". The seller is "riprin-70" and is located in this country: US. This item can be shipped to United States.