The steel cans appear to all be water cans. On the liquidation web site manifest they list two types of plastic, MIL-C-4316 TYPE 1 and MIL-C-4316D Type 2. Clicking on the NSN link for each of these leads to a description that calls them water cans.
The closeup photo of the tan fuel can shows a p/n of MIL-C-53109 which is obviously different from the part numbers listed for the plastic cans.
Be a shame to buy them, travel all the way Georgia (unless you are already there) to find you now own 200+ MWCs.