Fast, easy lightning. Burns up 2 hours (Variations in fireplace and climatic conditions may slightly alter duration of burn). Simple, no mess. Clean burning (15th emission inventory conference, New Orleans). Burns cleaner than cordwood. This firelog is made with recycled biomass products such as hardwood sawdust and ground tree nutshells. Quality guaranteed or your money back. Classified UL listed. Processed solid fuel for use in factory-built fireplaces. For product questions or concerns, contact us at 1-877-846-9949. Product of USA.