Duraflame fire logs provide a robust, convenient and authentic fire experience. Tonight's the night! FireWise®Burns cleaner than wood.Duraflame fire logs light faster and burn more completely than firewood, and because far less material is consumed when burning a fire log, significantly fewer pollutants are emitted than a comparable wood fire.80% less fine particles**.75% less carbon monoxide**.90% less hazardous air pollutants**. Saves treesA Duraflame fire log consumes 80% less material than a comparable 3–4 hour wood fire, and burning fire logs instead of wood results in significantly fewer trees cut down for use as firewood. America's #1 Fire Log Brand Fast Lighting—Lights Fully in Less than 5 Min. Burns Cleaner than Wood Burns up to 4 Hours* UL Classification Mark CSIA Chimney Safety Institute of America Accepted Product™ 100% Renewable Resources