I have only heard of plastic and metal gas containers. You would want to be very careful what kind of plastic you choose if you are trying to use a makeshift one as the gasoline can eat a hole in it.
HDPE= High Density Poly EthyleneWhat kind of plastic do you need to get?
With a treatment of stabil every six months the company claims gasoline shelf life of two years.How long can you store petrol realistically in a sealed container. Will it stay in current chemical form indefinitely?