【3 IN 1 ELECTRIC LUNCH BOX】3 in 1 Design, 12V/24V for Cars/Trucks and 110V for Work/Home Use. The electric heating lunch box has a three-compartment design for separating your favorite foods, such as stew, lasagna, spaghetti, meatballs, mac & cheese, or even leftovers, home-cooked meals, ready to go! Suitable for students, construction workers, truckers, drivers, company office employees who want to carry lunch by themselves.【FAST HEATING 】Are you getting sick of eating cold lunches every day? Simply plug in and heat. It is using 40W PTC constant heating for preventing overheating, is safer, more convenient, and more energy-saving. The heating time will be 30-45 minutes. You will be very happy with how it heats the food while keeping it moist, not dry or rubbery like warming it up in the microwave.【Food Grade Mateial】The electric lunch box food heater is made of food-grade premium thick PP material. The removable container is made of grade 304 stainless steel（Made for adult stomachs 50 fl oz）, which is high-temperature resistant, durable, eco-friendly, and safe to use, it meets the safety standards of dietary materials, you can take this out and clean it very easily. The stainless steel container is dishwasher safe.【LEAK-PROOF TECHNOLOGY】Are you still worried about the soup/sauce leakage from the food warmer lunch box? With the upgraded design and craft, this electric lunch box's lid latches and the rubber sealing ring make it totally leak-proof, keeps meals and snacks fresh, and mess-free during on the go.【Unique Gift Ideas】: This electric lunch box warmer includes 1x heating lunch box(9.4*7.1*4.7 inches), 1*insulated Lunch Bag, 1x stainless steel spoon & fork,1x home-use charging cable 110V, 1x car/trucks-use charging cable 12V/24V and good after-sales service. If you are looking for the best lunch box for your loved one, the Punup lunch warmer portable is a great choice.