This bag is perfect for outdoor picnics, bringing food to the kids, bringing food to office workers, etc. Keep food warm in the winter and keep cold drinks refrigerated in the summer. Water and wear resistant fabric, strong and practical for outdoor use The inner layer of PEVA film can keep the items in the bag warm or cold. It's leak-proof, so you don't have to worry about spilled food getting your car dirty. It can keep the backpack cold or in high temperatures for several hours. Two mesh pockets on the side, two large zippered pockets on the front, one zipper pocket on the lid and multiple pockets for storing all your belongings in the included pockets. 18 liters, dimensions: 420 x 290 x 190 mm, weight: 540g. Spacious, ultra-lightweight, can be used for beer, snacks, drinks, etc , and can also safely store everyday items, towels, cell phones, keys, etc. An insulated backpack suitable for beach picnics, family vacations, camping, hiking or outdoor activities. Material: oxford cloth + PEVA. Keep fresh: 3-6 hours. Capacity: 18L. Packing list:1 x Insulated Picnic Bag.