Keep your water colder longer with our 2-liter foil-insulated reservoir cover. It has a zippered top enclosure and zippered quick disconnect portal, along with a hanger loop on the top to keep it in place in your pack. The mist comes out cold even if water is hot. (It's a physics thing!) But feel free to put ice in the reservoir for your drinking pleasure!
Note: The "Just Add Water" complete pack includes insulated cover & reservoirSizes:
Large is 14-1/2" H x 9-1/2" W
Small is 12-1/2" H x 9-1/2" W