MEALZTIME - Cordless Self-heating Bento Box by MEALZTIME — Kickstarter
Amazon.com: LunchEAZE Electric Lunch Box – Self-Heating, Cordless, Battery Powered Food Warmer for Work, Travel, Students – 220°F Heat, BPA Free, Meal Prep Friendly with Bluetooth Connectivity: Home & Kitchen
Amazon.com: LunchEAZE Lite - Battery powered, cordless, automatic, self heated electric lunch box - for jobsites, office, travel, or meal prep - BPA Free and food grade, 220°F: Home & Kitchen