What can you carry hot liquids with?

I know Thermoses and all, but I’m wonder actually things like, Insulated cups and stuff. I’m doing this for a Crude Oil project.
I got a product that has some type of oil in it, or was refined enough to make a part of it. I got a Thermos bottle. Now, my second question was, What alternative solutions can you come up with to this lifestyle? I need at least three. So, instead of actually using a Thermos, because I’m actually supposed to be thinking like all the oil in the world is gone. So, something that can be similar to a Thermos, but doesn’t have an oil component in it. Thanks so much guys!