Perfectly Portable: Our thermo food jars are large enough to fit an entire meal yet small enough to fit in lunch boxes and lunch bags. Confidently pack your sweat-proof and leak-proof food jar in your bag or backpack without worrying about spills or leaks. Take your food thermo anywhere without needing to reheat or refrigerate your food. | | Innovative Vacuum Insulation: Keep your food cold for 10 hours or hot for 5 hours with our highly rated insulated food jars. Our thermo lunch box uses our innovative MiraGuard Technology to maintain temperatures for hours. Explore new meal possibilities with your food thermo for hot food and cold food. | | Built to Last: Constructed from durable 18/8 food-grade stainless steel that wont rust, break, retain or transfer flavors. Comfortably hold your hot food thermo in your hand as our thermos have a powder coated finish that provides a slip-free grip. The easy to twist lid makes this jar the best thermo for hot food. | | Functional Style:.