NEW Concentrated Formula allows for a smaller carbon footprint - 10% less steel and 7% less corrugate 2 hour burn time Integrated Smart Can™ Indicator alerts user when the can is too hot to handle New green colored ethanol gel is non-toxic, odorless, and biodegradable UL Validated for safe and clean burning, indoors and outdoors Ignites immediately and consistently generates the maximum heat to keep food temperature in the safe serving zone