Used while working for the airlines. Large enough to carry food for four or five days. Includes hot logic portable electric lunch box. Features: 12 can capacity Cooler/tote combination Quick loop on back attaches to Rollaboard #10 zippers on all main compartments Top carry handle Includes removable shoulder strap Fully insulated main compartment Hot Logic features: Enjoy a hot meal on-the-go, and make smarter eating choices with the HotLogic® Electric Lunchbox. The first step towards an easier, more convenient mealtime. It's ready when you are.  Professional Grade Technology In a Personal, Portable Size The Hot Logic Mini is more than just an electric lunchbox. We borrowed from the same Patented Smart Cooking Technology found in our commercial ovens used in professional kitchens, health facilities and corporate lunchrooms. Companies like Ford, Amazon, Intel, Walmart, Herman Miller and many others trust Hot Logic for its safety, convenience and health benefits. Now these same benefits are available to you in a handy personal, portable "take it anywhere you go" design!