Walmart is offering this highly rated, Crock-Pot 20-Ounce Lunch Crock Food Warmer for only $19.94 (choose from red or blue) with free in store pickup (if you opt for BLUE and use in store pickup you will save an additional $0.83 off your total) shipping is free on orders of $35 or more or a flat rate of $5.99.Crock-Pot Lunch Crock – Turquoise. The original slow cooker. Contains carry handle, food container, cord wrap and screw-top – travel lid. Just fill…heat & eat. It warms your food. Enjoy comfort food at work – without the work.