BioFuel 15oz Fuel Refill Organic All Natural and Nontoxic Cost Effective: less expensive than traditional cooking and warming fuel and lasts twice as long as a single can of Sterno cooking fuel. Environmentally Friendly: made in the USA using only all natural, organic and non-hazardous materials. Our fuel is also easily biodegradable and produces less carbon emissions than our competitors Reusable/Refillable: BioFuel fuel cans can be reused and refilled to prevent unnecessary waste and to save our customers money in the long run Great for home, camping, catering, and emergencies Unlimited Shelf Life