BioLite Premium Food-Safe Hardwood Grilling Pellets Premium hardwood blend, sustainably sourced in USA Food-safe grilling fuel pellets Total burn time per bag is 2 hours; this value pack contains 4 bags for 8 hours total Boil Capacity: 15 liters during 2 hour burn Recommended for use with BioLite CampStove and BioLite CookStove