product Information This bag is perfect for outdoor picnics, bringing food to kids, bringing food to office workers, etc.The exterior of the Cooler Bag is constructed out of high-density,water-resistant,dirt-proof. Oxford fabric making it durable,waterproof and easy to clean Keeping food warm in the winter, and keep ice drinks cooling in the summer. Features: Waterproof and wear-resisting fabric, strong and practical for outdoor use. Essential tools when you have a picnic, potluck, outdoor activities etc. Large capacity and strong bearing force, suitable for both bring a daily lunch and picnic. Inner PEVA film to keep both warm and cold. Leakproof design, don't worry about spilled food getting your car dirty. Double-open zipper, easy and convenient to use. the front two zipper bags can store mobile phones, power banks, keys, cards and other items. Two side pockets can hold drinks, tissues, umbrellas, etc. Specifications: Color: black, grey, navy blue (optional) Material: oxford clothandPEVA Capacity: 18L Item size: 420 x 290 x 190mm or 16.5 x 11.4 x 7.5in Package size: 450 x 300 x 100mm or 17.7 x 11.8 x 3.9in Package weight: 540g or 1.2lb Packing List: 1 x Backpack 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.