SMALL size 102 x 59 x 35 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 HIGHQUALITY The inner lining of the insulated bag is FOODGRADE aluminum film SAFE The middle layer is highdensity 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 moistureproof 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