Costco Kirkland Giant Flexible Extra Large 12 Gal Cooler Bag Tote (Red) Ideal for grocery shopping, travel and outdoor activities. Shopping bag design Extra large capacity. No need to rush home, keep food frozen Waterproof liner, easy to clean, leak proof Giant25 x 7.9 x 16.5 inches High density thermal insulation with Therma-Flect radiant barrier