Specifications:Made of high quality aluminum foil, these bags are thermal insulated and durable.They help to keep food warm/cool and fresh for a long time.Heat insulation property provides constant temperature effect.Foldable bag is convenient for storage.It can be used as travel lunch box, cooler bag, storage bag, food organizer, etc.Item Name: Thermal Insulated BagsMaterial: Aluminum FoilQuantity: 20PcsFeatures: Thermal Insulated, Portable, Food Bag, DisposableSize: 20cm x 25cm/7.87inch; x 9.84inch;, 25cm x 30cm/9.84inch; x 11.8inch;, 30cm x 30cm/11.8inch; x 11.8inch;, 35cm x 35cm/13.7inch; x 13.7inch;, 30cm x 40cm/11.8inch; x 15.7inch;, 40cm x 40cm/15.7inch; x 15.7inch;, 40cm x 50cm/15.7inch; x 19.7inch; (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:20 x Thermal Insulated Bags