1.[Highly Insulated]: The cooler bag is made of four layers of insulation material, which can keep food and drinks cool or warm for more than 5 hours. The food-safe lining ensures that you can put food directly into the bag. The built-in 6mm EPE foam provides excellent protection for your containers, food and drinks. You can also use it for a picnic and put all frozen foods in the cooler bag.2. [Wide opening design]: The top of the cooler bag can be opened with a sturdy zipper, which means you can put the lunch box in and out of the bag horizontally. The wide opening design is convenient for access and prevents liquids from leaking out of the container and contaminating the bag, saving you cleaning time.3. [Foldable]: Reusable shopping bags are foldable, easy to open and close, and easy to fill. Another advantage of them is that they can be folded into a flat shape when not in use, which is very easy to store. After folding, they are lightweight and easy to carry. Easy to clean, stand upright, easy to pack, and can be folded flat.4. [Large Capacity]: 43cm long * 30cm wide * 31cm high. The maximum capacity is 40L, which is enough to hold 64 cans of Coke (330ml) or food such as sandwiches, salads, snacks, drinks and fruits. The insulated bag has two zippers. Things will not fall out. The zipper is made of high-quality metal and can be used for a long time.5. [Durable]: The cooler bag is made of upgraded 600D Oxford cloth, which is more durable than ordinary cooler bags. The sturdy handles and durable nylon are connected together by tight seams, making the bag extremely durable. Good quality and durable, easy to clean and reusable.