Fast, easy lighting. Simple, no mess. Clean burning. 3 hour burn time (Variations in fireplace and climatic conditions may alter duration of burn). Enjoy fragrance before burning. Crafted from recycled hardwoods. From the makers of Pine Mountain. For United States, this firelog has been tested by Underwriters Laboratories Inc. for use in factory-built fireplaces. For Canada, this firelog has been designed for brick or heavy gauge metal lined masonry fireplaces, UL or cUL or ULC listed fireplace, and fireplace insert having burning areas of 400 sq in (0.258 sq m). Use in smaller appliances may be hazardous. Classified UL listed. Processed solid fuel for use in factory-built fireplaces 7L47. www.877.noburn.org. www.PineMountainFire.com. Learn more about Pine Mountain Firelogs at www.PineMountainFire.com or call us toll-free at (877) 402-5185. These firelogs are made with recycled biomass products such as hardwood sawdust and ground tree nutshells, and blended wax. Made in the USA.