Made from durable Oxford for surface fabric, with aluminium folie, this cooler bag is waterproof and won’t melt easily when the bag hold something hot. It can keep food and drink cool or warm for more than 5 hours. The built-in thermal foam provides great protection to your containers, food and drink. The maximum capacity is 500 oz. It can be folded into a compact size when not in use, so it can fit into the smallest storage space. With an imprint of your logo, it will certainly stand out from the crowd! You can check VG7434 for larger size one.