Features: It features heat preservation and cold preservation. It can keep food fresh.It can be used as work and school lunch bag, picnic bag, milk preservation bag, etc.Dupont paper is completely environmentally-friendly and dispelling material. After burning completely, only water vapor and carbon dioxide are left.It can be folded at any time, easy to carry and light in weight. It can be waterproof, resistant to tear, and can be cleaned repeatedly.The interior lining is padded with 3mm PE foam for high thermal resistance.Specification: Material: Dupont PaperOptional Color: Brown, White,Black, GraySize: Approx. 31 * 30cm / 12.2 * 11.81inchWeight: 36gType: Lunch BagsPackage List:1 * Lunch Bag 【Large Capacity Layered Lunch Bag】This lunch box can be used for different purposes and can separate hot and cold food/beverages/beer. It has a large compartment to hold your lunch boxes, snacks, and fruit. 【Leak Proof and Easy Wash】High-quality materials make our lunch bags tear-resistant, abrasion-resistant, leak-proof. easy to wash and durable. If sauce spills inside, just wipe it off with wet cloth or napkins. 【Keep Warm or Cold】The inner liner is made of thermal insulation material, which can keep the food warm or cold. The bag can keep your food stay new, cool or warm. 【Convenient and Portable】The lunch bags for women men comes with and detachable shoulder straps regulable and comfortable handles, providing you with more carrying options. The hook and loop closure is convenient and quick to use. 【Multifunctional】 You can take it to picnics on weekends, take lunch and snacks to the office, take cold beer to the beaches, or wherever you want to go. Ideal for office, work, beach, picnics, travel, camping, hiking, fishing or other outdoor activities.