 Hot trash would be anything that is hot or still smoldering and would catch something else on fire or about your can. We actually see quite a few melted cans during the 4th of July week usually and residents do have to pay to replace them if that happens. So if you are shooting off fireworks or sparklers it's a really great idea to have like a bucket of water outside too and then you can just soak all the fireworks for overnight or a day before you dispose of them and it's not only a