INSULATED & FOOD-GRADE MATERIAL: The reusable lunch tote bags are constituted with Pearl cotton and aluminum foil, which is known for its excellent air isolation and temperature retaining, keeping your food cold/warm for hours. Tight stitching without tearing, durable and sturdy. Can Keeps your food warm or cold for hours well.LIGHT AS FEATHER & DECENT CAPACITY: our small lunch bags for women weights only 0.9Ib, which is barely noticeable to holding while empty. Large enough for all-day food. our cooler bag fits your daily meals and snacks for kids and adults.VELCRO CLOSURE: Velcro closure not only makes easy access to your food but also tightly secures your foods in the bag.DIRT-PROOF & FOLDABLE: The interior is water and grease repellent, so a simple wipe with a damp cloth could easily clean the lunch bag and leave no odor. This bag can be folded to a size of a notebook, which makes it convenient be stored.