Duraflame Crackleflame 6-Pack 5LB Firelogs Crackles like a wood fire Burns For 3 Hours Made with 100-Percent renewable resources 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 Crackles like a wood fire Burns For 3 Hours Made with 100% renewable resources 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