Key Product DetailsDesign & Functionality: This is a multifunctional thermal storage bag with an insulated aluminum foil lining to keep food and beverages hot or cold for several hours. It features a large main compartment with a zipper closure and a convenient shoulder strap for portability.Materials: Typically constructed from durable, water-resistant Oxford cloth.Capacity Options: Available in various sizes, often ranging from approximately 5.6 liters to 30 liters. Common dimensions found for this style include roughly 36x20x25cm