COX AC-002 Caulk Warmer Bag Junior Warming bag for temperature sensitive products on the jobsite like caulk, insulating foam guns, spray cans, gloves, tapes, tiles and more Holds up to four 10-ounce cartridges or four 20-ounce sausage packs Insulated design retains heat when unplugged Heavy-duty, waterproof nylon construction 12 VDC 100 watt inverter with USB also available from Cox (AC-003)