1. WATERPROOF AND PORTABLE: The outer layer of the lunch bag is made of high-density Oxford cloth, which is portable and durable, easy to clean and waterproof. 2. DURABLE INSULATION: The inner layer of the lunch bag is made of a combination of thick lining and organic aluminum film to keep food warm for hours. 3. THICK HANDLE: The insulated lunch bag features a thick, durable handle that reduces stress on your hands, making it easy to carry to work, school, and outdoors. 4. POCKET DESIGN: The front and back pockets of the portable bento bag are designed to store cutlery, keys and other small items for various functions and convenience. 5. MULTIPURPOSE: The insulated bento box bag can keep food and drinks hot or cold for about 4-5 hours. You can also put food directly in the bag. Specification: Item Type: Lunch Bag Material: Oxford cloth, pearl cotton, aluminum foil. Size: approx. 25.5 x 28.5 x 15cm/10 x 11.2 x 5.9 inches Gross Weight: Approx. 285g/2.0oz Package list: 1 lunch bag. Note: Manual measurement, please allow some errors.