[Keeps Warm and Cold]- The lunch bag is made of Oxford cloth + pearl cotton + PEVA aluminum foil, which is very insulating. Hot meals can be kept warm for 12 hours and cold meals can be kept warm for 8 hours. [Wide-Open-Design]- Top of the lunch bag can be opened very wide by strong zipper, which means you can put your lunch container into the bag and taken out of the bag horizontally. Wide open design is for easy access and it can prevent liquids from leaking out of the container and soiling inside the bag, which will saves your cleaning time. 10.4”L7.2‘’W11.2”H. The maximum capacity is 13L, spacy enough to store 20 tins of coke (330ml), or your lunch such as sandwich, salad, snacks, drinks and fruits and so on. [Double-layer design]: The upper layer stores commuting supplies and the lower layer stores food. Make your commute easier and more convenient. There is a mesh pocket on the upper layer that can store: mobile phones, chargers, hand cream, keys, bank cards, and tissues; The lower layer can store hot and cold food and drinks, keeping them warm/cold and leak-proof. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.