3.Expandable and foldable: The top compartment of the expandable lunch box is equipped with a reinforced zipper, which can be easily expanded by simply unzipping the zipper. The main compartment can store drinks, beer, fruits, ice packs, etc., and you can expand the upper layer to put some snacks to meet your different lunch needs. 1.Multiple carrying options: detachable and adjustable shoulder strap, comfortable handle, convenient for hand or shoulder carrying This food bag is suitable for work/office/supermarket/gym and other occasions. 4. design: The lunch cooler bag adopts a reinforced skeleton to make the cooler bag stand upright, and there is no need to worry about the men's cooler bag wrinkling. This women's cooler bag also uses high-quality zippers to extend the life of the reusable lunch box. This double-layer lunch bag for adults can keep cold or warm for a long time. 2.Leakproof and : The lunch box exterior is made of waterproof High-quality materials, which is and wear-. The lunch bag for men and women uses thickened PEVA insulation lining and seamless ultrasonic welding technology to prevent leakage. The PEVA lining of the inner liner of the lunch box for men and women is smooth and easy to clean. This lunch bag for adults can be used in various occasions such as office, home, park, etc. 5.Multiple pockets: There is a zippered mesh pocket on the inside of the outer cover. This large lunch box has two side pockets, one side mesh pocket can store umbrella or water bottle, the other side mesh pocket is specially designed to store tissues, so you can take tissues at any time during meal. The front pocket is equipped with a special keychain, which is convenient to take keys. Another front large zipper pocket can store cutlery such as knife, fork, spoon, etc.