Crafted from durable 290 twill Oxford fabric, this lunch bag features an aluminum film lining for superior insulation and refrigeration effects. The metal zipper head, black ribbon, and 5-mile pearl cotton interlayer ensure durability and long-lasting performance. Measuring at 7.1x11.4x16.1 inches, this lunch bag offers a large capacity to fit all of your favorite snacks and meals. The double layered design provides excellent insulation, keeping your food fresh and cool for hours. Whether you're heading to work, school, or a picnic, this lunch bag is the companion. But what sets this lunch bag apart is its customizable patterns, allowing you to express your personal style. Choose from a variety of designs to match your unique taste and preferences. The combination of practicality and style, this lunch bag is sure to turn heads wherever you go. And don't forget about our high-quality after-sales service - we are committed to ensuring your satisfaction with your purchase. Buy with confidence and experience the convenience and functionality of our double layered lunch bag today!