Do NOT click on any vaporpedia.com links. The domain has been compromised and will attempt to infect your system. See https://fuckcombustion.com/threads/warning-vaporpedia-com-has-been-compromised.54960/.
Unless e-cigs are banned you'll be fine. No one is going to go around testing cartridges on a cruise ship to make sure it's e-liquid and not THC liquid. Just say it's an e-cig.