If you are looking for a durable fuel can for outlanding, prepping, emergency or just daily use, the Scepter Fuel Cans are the best bet for the long haul.  These are standard issue to the U.S. military due to being light weight and durable in all weather conditions.  Specter has been well known for military fuel storage that holds up to combat use.  Made from rugged HDPE, the military fuel can is virtually indestructible and can be used for any type of fuel, oil etc. The wide mouth top is threaded both inside and out to accept multiple caps, spouts and to make filling and pouring easier.  

These are used military surplus and the staff has checked the caps to ensure they all have the correct washer and seals on the MFC caps  A great real military fuel can you can no longer purchase in new condition.