Nu-Flame Bio-Ethanol fuel 6 pack 2.5-4 hours burn time per quart Contains BITR to deter children and pets from ingesting Made in the USA from 100% Waste Our New Bottles are fitted with a patent-pending Safety-Pour Valve insert which prevents the accidental ignition of the fuel inside the bottle NOTE: This item will only ship via UPS Ground. Expedited services are not available. We will also not be able to ship this product outside of the contiguous US. Fuel may not be returned for a refund. Bio-Fuels can not be returned due to their volatility and potential for tampering.