Help. Transatlantic cruise from florida to rome

Hi! My husband and I are about to go on a transatlantic cruise to Rome, and then explore some of Europe for a while. I was looking at the jetboil minimo in Dublin and it's a lot more expensive to buy there than bring it over. I already know it's allowed on planes, just not the canister and no residue from the canisters, but I can't figure out if princess cruise will allow the jetboil minimo, no fuel canister. It says nothing that can start a flame, I believe, when i looked it up first, but this cant start a flame without fuel, so im really unsure if itll get through ​​the little tsa when boarding. Does anyone know?