The Caluk Warmer from Reasor products maintains caulk at 80° F even when the outside temperature drops to -13° F. The unit holds 12 standard caulk tubes, 7 quart size caulk tubes, 7 sausage size caulk tubes, 12 grease cartridges, 8 cans foam or 12 rolls sealing tape. The caulk warmer plugs into 120 volt AC or 12 volt DC power and requires 50 wattsof power. It measures 18 in. high x 15 in. wide x 3 in. deep and is made of a nylon shell with closed-cell polypropylene and a vinyl inner lining.