About this item [PREMIUM FABRIC]: The lunch bag is made of high quality 600D premium nylon fabric, with a newly upgraded interior featuring PEVA lining and 6mm EPE foam and leak-proof nylon smooth interior surfaces, high quality visible to the naked eye and more durable [LARGE CAPACITY]: The 12L large adult lunch bag can hold at least 16 cans of coke or 3 lunch boxes + 2 cans of coke + some other personal items. The women lunch box is enough to hold your food needs for a day, suitable for picnic, camping, hiking, barbecue, work, travelling and other activities during the day [KEEP FOOD WARM FRESH]: The 4-layer insulated men lunch bag is equivalent to an internal temperature circulating system, firmly locking in the temperature of the bento for up to 5 hours (the time it takes for an 80 bento to drop to a 30 bento), and keeping it cold for up to 12 hours in the summer when used in conjunction with an ice pack. Keeps food fresh/temperature for a healthier life [INSULATED LUNCH BAG WITH MUTI-POCKETS]: The lunch bag has 1 main compartment, 2 side mesh pockets and 1 front zipper pocket. The huge zip opening at the top is very convenient for loading and unloading items, the side mesh pockets are great for storing bottles, umbrellas low, and the cutlery box tissues can be stored nicely in the front zipper pocket