High Quality Material: Made of durable Oxford cloth and insulating aluminum foil, this cooler bag provides effective insulation to keep your food and drinks cool for longer periods of time.The robust material also ensures longevity and resistance to external influences. Foldable design: With its foldable design, the cooler bag can be stored to save space when not in use.This makes them ideal for on the go, whether shopping, picnicking, camping or for everyday use in the office.You can easily take them with you in your bag or backpack. Large Capacity: With a capacity of 4000ml, this cooler bag offers enough space for your food, drinks and snacks.It's large enough to hold a variety of items, so you'll always be well looked after no matter where you go. Stylish design: The timeless black design of the cooler bag gives it an elegant and professional look.Whether you use it for work, school or leisure activities, it fits perfectly with every style and occasion. Versatile Uses: This cooler bag is not only suitable for taking meals to work or school, but also for outdoor activities such as picnics, barbecues or beach days.It is versatile and a practical solution for keeping food fresh wherever you go.