Double-walled stainless steel thermal pot with insulation and cooling functions, a capacity of 2.5L, and a design convenient for carrying. - Capacity: 2.5L - Material: Double stainless steel - Functions: Keeps warm/cold - Design: With handle I used it to support my child's sports, but I hardly used it. There is some dirt on the exterior and some tea stains inside. Someone who can use it, please. This is a used item, so please understand before purchasing. Thank you for looking.