The Casangel 35l Thermal Cooler Bag Picnic Refrigerator Backpack is the perfect solution for keeping your food and drinks cool on the go. This backpack has a spacious interior with a bottle pocket and hidden compartment. It is made of eco-friendly materials and features an insulated design that keeps food and drinks cool for hours. The adjustable strap and breathable design make it comfortable to wear for extended periods. Whether you're going on a picnic or just need to keep your lunch cool, this backpack has you covered.