Giant King&trade; Fire Logs Made From Dried Grass. Low-carbon, Renewable Energy Crop . Grass Fire Logs Are a Viable Alternative to High Pollutant Fossil Fire Logs Currently on the Market. Each Log Weighs 5 Lbs. No Wood Products or Sawdust . Natural Wax Binder . Box of Six (6) Logs &ndash;Logs Burn Approximately Four (4) Hours. 100% Natural