A. Materials: This lunch bag is made of a non-toxic, food-grade ethylene-vinyl acetate copolymer (EVA) lining that meets the standards of the U.S. Food and Drug Administration (FDA), a polyethylene (PE) foam insulation layer, and 600D waterproof and stain-resistant Oxford cloth. It does not contain polyvinyl chloride (PVC) and bisphenol A (BPA). The lunch bag is designed with double zippers, which makes it safer and more convenient to use. B. Comfort and portability: This insulated lunch set is crafted with a detachable handle with a comfortable grip and a removable shoulder strap for easy carrying. You can carry the bag by the handle or use it as a crossbody or shoulder bag. C. Capacity and design: The lunch bag measures 26×18×22 cm and has 1 main zipper compartment, 1 front zipper pocket, and 2 side pockets. The main zipper pocket can hold the food and snacks you need for a day. The front zipper pocket is suitable for storing items such as your phone, wallet, and bus card. Additionally, the two side pockets can store bottles, umbrellas, tissues, etc. D. Heat insulation and leakage prevention: The lunch bag lining is made of food-grade aluminum foil, which has good heat insulation performance. You can put your food in the bag. This reusable insulated bag can keep your food warm or cool for 2 - 4 hours, helping to ensure the freshness of the food. The exterior of the adult lunch bag is made of Oxford cloth, which is waterproof, dustproof, and durable, protecting your lunch and items from occasional splashes of rain. E. Cleaning and scenarios: Whether it's drinks, sauces, or accidentally spilled food residues, there's no need to worry. You can simply wipe it clean with a tissue or mild detergent. Easy cleaning makes your life more convenient. This insulated lunch bag is suitable for dining out and can also be used for taking lunch to the office, work, school, camping, picnics, road trips, beach outings, and other occasions.