Ebay offers 5 Gallon Large Capacity 20L Gas Gasoline Can Fuel Backup Metal Steel Tank Red for $29.99 with free shipping. 

Product Description:

Oil bucket is an indispensable car item in our daily life. Especially when you are outdoors, you need to prepare sufficient fuel in advance. Therefore, a oil tank is of great significance. To ensure great durability and safety, we highly recommend you this 20L EU Standard Cold-rolled Plate Petrol Diesel Can Gasoline Bucket with Oil Pipe. Designed with 3 handles to save labor when you lift the tank. It is made of superior cold rolled plate, durable enough for use. Large capacity for storing plentiful fuel inside. It is really a nice item for each car ower!
【Fast flow rate and Leak-Proof】
You'll get a quick flow rate when open and a leak-proof spout when closed. It comes attached with a spout for easy operation.
【Recommend Use】
This fuel tank can be equipped for all automobiles, ships, holding gasoline or fuel
【Durable and Lightweight】
Built-in pipeline, with excellent leakproofness. Made out of 0.6 millimeter cold rolled steel for ultra durability. Anti-corrosion anti-rust and anti-static. Only weight 6 pounds.
【Easy for Carrying】
With 3 handles to largely save labor. It's easy to carry by one person or two persons.
【5 Gallon Large Capacity】
It gets a 5 gallon capacity for accommodating plentiful liquid.
【Kindly Note】
When first time to use the tank, clean the inner wall first with a cup of petrol.