SMALL size: 10.2 x 5.9 x 3.5 IN, this compact lunch box can hold a working meal for ONE PERSON meal, including a SMALL bento box and some fruits and some snacks; a zippered pocket can hold some napkin HIGH-QUALITY: The inner lining of the insulated bag is FOOD-GRADE aluminum film, SAFE. The middle layer is high-density EPE foam for insulation; the outer layer is waterproof fabric; SBS zipper, smooth and durable Good INSULATION performance, this lunchbox can keep warm or cold for your breakfast or lunch or soda for about 3 hours. If you put a thin ice pack in the cooler bag or put the flat lunch bag in your backpack, the cold / heat preservation effect will be better PORTABLE lunch box: the SMALL and rectangular size is convenient to carry lunch or snacks to the office. You can put it in a backpack, handbag, suitcase, does not take up a lot of space, very suitable for work, travel, hiking, golf and other scenes MULTIFUNCTIONAL travel cooler bags, aluminum film has good shading and moisture-proof effect, so it can also be used to store medicines or cosmetics during travel or outdoor activities. It is also a great insulin bag. Kind Reminder: THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER