Wonderbag Large Non Electric Slow Cooker Thermal Bag Off Grid Camping * Pre-owned in great condition. Insulated fabric cooking bag designed to retain heat and continue cooking food without electricity. Simply bring food to a boil, place the pot inside, and let it slow cook for hours. Highly sought-after non-electric thermal cooker- perfect for off-grid, eco-conscious, and energy-saving cooking. Great for camping, travel, or emergency preparedness. Lightweight and portable with drawstring closure.