Used indoors for six months. There is some slight clumping of the filling, but it doesn't affect use. This is a used item, so please understand this before purchasing. Size when in use: Approximately 210*75cm Storage size: Approximately 35×17cm Weight: Approximately 1kg Suitable temperature: Minimum usage temperature: 0℃ Comfortable usage temperature: 10℃-25℃ (Use according to your own sense of heat and cold). 【Excellent Materials】Outer fabric: Water-resistant and tear-resistant nylon 210T gingham check. Filling: 100% polyester with excellent cold protection and high heat retention. Lining: High-quality fiber material with a good texture, soft like a futon, and feels good against the skin, so you can feel warmth immediately when you get into the sleeping bag. 【Practical Design】The hood has a drawstring that can be stretched, covering the head, and the collar can also be closed to prevent cold air and keep you warm. The right-side double zipper can be opened and closed from either the inside or outside, from the feet to the shoulders, making it easy to adjust the temperature. Because it's an envelope type, there's no feeling of pressure even when sleeping in thick clothes. The sleeping bag's pocket can store small items such as a watch. 【Washable】You can wash it in the washing machine at home, so you can always keep it clean. Before use, if you expose it to sunlight, the moisture will evaporate, and the sleeping bag will become warmer. It's washable, so you can use it hygienically. 【Convenient Storage & Uses】When you take out the sleeping bag, it gradually fills with air and becomes thicker. When storing, first make sure to expel the air sufficiently. Then, roll it up and push it into the bag, and it will fit securely in the storage bag. Camping, BBQ, car, mountain climbing, outdoor activities, stargazing, touring, cherry blossom viewing, overtime at work, as a substitute for a futon or blanket at home, during disasters, etc.