Material: Waterproof Oxford Cloth + Advanced Aluminum Foil, Bisphenol A (BPA) and PVC Free, Meets Food Reserve Regulations.Besides,It has an encrypted two-way zipperLarge Capacity: Size: 24*19*14cm. but don't worry, we can fold this heat insulation bag flat when empty and put it in your car. You can take your lunch boxes, fruits, drinks, beer, small bottle of other foodTouchscreen Pocket: An additional transparent front pocket makes it easy to store small items like spoons, forks, keys, cell phones, cards, drink bottle openers, paper towels, etc. It is ideal for watching videos as a cell phone holder during office meals to free your handsGrading temperature for a long time: The bag uses 8mm pearl cotton and peva inside the bag, which can lock hot air and cold air well to ensure long-lasting protection against ice. insulation extends food temperature storage time by 3-8 hours depending on different weather conditionsEasy to clean: Oil and stain resistant, easy to clean, easy to carry: If you accidentally sprinkle the soup and soy sauce in the bag, you just need to wipe it gently with a cloth, this which is particularly convenient.