Keep food hot and safe for all buffet, catering, and foodservice occasions with the 7Penn 6 Hour Cooking Fuel 12-Pack with FREE Lid Opener. These 7.4-ounce cans warm chafing dishes for 6 hours with sustained temperature. Lower quality gel-type fuel cans last only 1 to 2 hours with no steady or controlled flame, but each of these cans are filled with a liquid fuel and include a wick sealed into the top of the can (like an oil or kerosene lamp) which gives them a long burn time and produce a steady, controlled flames. Other fuel cans are difficult and painful to open, but this package includes a FREE opener tool to quickly screw off the top lid for immediate use and just as easily replace the lid to store for later use. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.