Duraflame Ultra-Premium Gold 4-Pack 7LB Firelogs Largest firelog that burns with bigger, brighter flames than regular firelogs Burns 4+ Hours (the longest burning firelog) Made with a high-performance blend of waxes and renewable, recycled biomass fiber Easy-light ignition system lights log quickly, reaches full ignition in under 5 minutes Cleaner Burning Produces 80-Percent less emissions than an equivalent duration wood fire Largest firelog that burns with bigger, brighter flames than regular firelogs Burns 4+ Hours (the longest burning firelog) Made with a high-performance blend of waxes and renewable, recycled biomass fiber Easy-light ignition system lights log quickly, reaches full ignition in under 5 minutes Cleaner Burning Produces 80% less emissions than an equivalent duration wood fire