Premium Waterproof & Leakproof Material: The exterior of the cooler bag is made of high-density water- and dirt-resistant Oxford fabric for durability and easy cleaning. An upgrade from the traditional seam construction, the bottom section adopts heat-pressing technology to connect the seamless liner, providing an excellent seal. Always keep your food fresh - The insulated liner means that your hot food stays hot and your cold food stays cool. Your fresh fruits, delicious foods, savory desserts and beverages will stay at the right temperature until you get to your destination. Multiple Compartments: This lunch box features one main zippered compartment and three compartments. One to keep your food and drinks hot or cold. Two to hold red wine. A zippered front pocket for water bottles and an interior compartment for knives, forks and spoons and 9-inch plates. Roomy space to store all your necessities for the whole day. Stylish and comfortable design: With a fashionable look, our backpack will be your best choice for picnic activities. Anti-fraying seams and sturdy, smooth zippers, reinforced stitching in the straps. The back cushion is used as a back cushion, and the shoulder straps are adjustable, giving you the most comfortable carrying experience. Occasions: Equipped with a detachable shoulder strap, it provides an option of adjustable carry, making it a versatile choice for carrying food and drink when you go to work, school, picnic, beach, travel, camping, trip or any outdoor activity outdoors.