https://home.woot.com/offers/greenlife-20oz-electric-lunch-box-food-soup-warmer 20-Oz GreenLife Portable Electric Lunch Box Food & Soup Warmer (2 Colors) for $16.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.