Solar-powered lunchbox keeps your food hot or even cool, depending on what's inside - Yanko Design
Amazon.com: Better 4 You Electric Lunch Box - Food Heater Plug In Food Warmer Car Lunch Box Warmer - Portable Heating Lunch Box - Work Heat Up Lunch Box 110V/12V: Home & Kitchen
1.5L 40W Portable Electric Lunch Box Food Warmer w/ Bag | Geecomfy
SunnySide: Solar-Powered Self Heating/Cooling Lunchbox by SunnySide — Kickstarter
Electric Lunch Box 60W Faster Heat Lunch Box Leak-proof Food Warmer for Car/Home | eBay
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Forabest Electric Lunch box | Heated Lunch Box That Heats Food
Amazon.com: Buddew Electric Lunch Box 80W Food Heater for Adults, 12/24/110V Portable Lunch Warmer Upgraded Heated Lunch Box for Car/Truck/Office with SS Fork&Spoon and Insulated Carry Bag (Green): Home & Kitchen
Amazon.com: Electric Lunch Box 60W Food Heater, 4 in 1 Portable Heated Lunch Box for Car Truck Work Adults, Leak Proof, Self Heating Lunch Box with 1.5L 304 SS Container, Fork &