Product description\Product description\Material: cotton, linen, pure cotton, aluminum foil\Size: 21.5*17*27cm\Style: Style 1, Style 2, Style 3\Quantity: 1pc\Package Contents: 1* Simple Japanese-style portable lunch box\1. 【INSULATED AND FOOD-GRADE MATERIAL】: The reusable lunch bags are made of pearl cotton and aluminum foil, which is known for its excellent air insulation and temperature preservation, keeping your food cold/hot for hours. Tight seams without tearing, durable and sturdy. Can keep your food hot or cold for hours. The outer layer of cotton provides comfort to your skin.\2. 【LIGHT AS A FEATHER AND RELIABLE CAPACITY】: Our small lunch bags for women weigh only 0.3 lb, which is barely noticeable to hold when empty. Large enough for all-day food. With the size of 21.5*17*27cm, our cooler bag fits your daily meals and snacks for kids and adults.\3. 【WIDE-OPEN AND VELCRO CLOSURE】: Therefore, your containers can be put in the bag and taken out of the bag HORIZONTALLY without the risk of leaking or spilling. Velcro closure not only allows easy access to your food but also secures your food firmly in the bag.\4. 【Dirt-proof and foldable】: The inside is water and grease-repellent, so a simple wipe with a damp cloth can easily clean the lunch bag and leave no odor. This bag can be folded to a size like a notebook, making it convenient to store.\5. 【PERFECT GIFT CHOICE】: The reusable lunch bag is a perfect gift for Christmas, gift exchange.