1. Parameters: 190T waterproof, weight: 1.35KG. Product size: about 210 * 75cm / storage size: about 34 x 24cm. Comfortable working temperature: -5 to 20°C. 2. Outer material: 190T polyester silk workshop. Cotton batting: The use of hollow fiber provides excellent cold resistance and high thermal insulation. Lining: Using polyester spandex fabric, the texture is soft like bedding, it fits the skin and feels good, and it feels warm immediately after putting it in a sleeping bag. It also has excellent breathability and flexibility. 3. Reachable design: The style is novel and more convenient to use. The left and right sleeping bags can be spliced ​​to meet the needs of single or double. 4. Easy to store: When storing, discharge enough air first, roll it up and push it into the bag, and put it into the bag steadily. If you expose it to the sun before use, the moisture will evaporate and the sleeping bag’s thermal insulation effect will be improved. It can be stored compactly in a storage bag and is very convenient to carry. 5. Wide range of uses: sleeping bags active in various scenes such as mountain climbing, disaster prevention, car, outdoor, fishing, cherry blossom viewing, camping, astronomical observation, etc. It is suitable for all seasons. It can be used as a mat or blanket in summer, and as a sleeping bag or blanket in spring or autumn. In addition, due to its lightweight, it is recommended to leave it at home as one of the disaster prevention supplies for emergency situations such as earthquakes.