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Amazon.com: DUPASU Electric Lunch Box, Food Heated 3 In 1 Portable Food Warmer Heater for Car/Truck/Home, 80W Self Heating Box with 1.8L 304 Stainless Steel Container 0.45L Compartment (Gray+White): Home & Kitchen
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Amazon.com: HONEYBEAN HOME Battery Powered Lunch Box for Work With 35 Minutes of Heating Capability – Comes With a Reusable Fork & Spoon: Home & Kitchen
USB Heating Lunch Box w/ Insulation Bag Food Container for Outdoor Picnic Office | eBay
Steambox: the self-heating lunch box - DesignWanted : DesignWanted