Take all you need with Opa Cooler Backpack. This backpack is made of waterproof oxford fabric and lined with foil material keeping food hot or cold for hours. With a large zippered main pocket and a front pocket, it is convenient to classify items and take them freely. Our backpack also has two side mesh pockets for easy access to a water bottle or umbrella and a front reflective strip for your safety at night. Come with adjustable and breathable padded shoulder straps which provide comfort on the trail or park! Perfect for travel, picnic, etc.