Surface Material: 20D400T Nylon. Liner Material: 190 Polyester Pongee. Fill: 80g/m2 Imitation Silk Cotton. Outdoor Comfortable Temperature: 5-15. Cycle time: 412hours (based on 10,000mAH power bank). The item “220x80cm Winter Sleeping Bag Electric Heating Camping Outdoor Travel Waterproof” is in sale since Friday, March 6, 2020. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “aprisas” and is located in Hong Kong. This item can be shipped worldwide.