DUAL PURPOSE - Each reusable insulated bag works to keep hot food warm and ready to eat, while also preserving frozen foods and ice frozen and freezer ready. We offer a variety of convenient sizes and bag styles that are suitable for shopping, the beach, packing lunches, picnics and more. PROFESSIONAL GRADE - Professional caterers, delivery drivers and restaurant staff all use our bags to keep food at the perfect temperature for hours on end. They'll stay insulated even in hot cars or food trucks. All our top quality materials are 100% food safe and built to last for years of use. HEAVY DUTY LOCK CLOSURE - Every size bag has a durable hard handle and interlocking hard top closure that snaps shut in seconds and is easy to carry. The durable closing mechanism keeps your food fresh and insulated from outside temperatures (hot or cold) and humidity for hours at a time. THE SUPERIO DIFFERENCE - Here at Superio, we rigorously design and test superior home goods, organization and cleaning supplies. GREAT WAY TO KEEP FOOD FRESH - We all love food, especially if it's fresh and tasty. These Reusable Bags will keep your food, sandwich, or lunch cold and fresh until you eat them. You can also use it at home in your refrigerator to store cheese, veggies, and much more.