Travelers heading to Thailand are warned that they could risk 10 years in prison for taking an e-cigarette or vape pen into the country.

The ban on vaping introduced in 2014 isn’t very well known, so visitors that are unaware might face prosecution for simply having a puff on Thai ground.

More than a million European tourists visit Thailand every year, as the South-East Asian country is a favorite among backpackers and gap-year students – namely because it’s very affordable.

The Foreign Office website states: “You can’t bring vaporizers or refills into Thailand… These items are likely to be confiscated and you could be fined or sent to prison for up to 10 years if convicted… The sale or supply of e-cigarettes and similar devices is also banned and you could face a heavy fine or up to five years imprisonment if found guilty. Several British Nationals have been arrested for possession of vaporizers and e-cigarettes.”

Thailand has been under strict military rule since 2014 and there are laws in place that govern aspects of everyday life that visitors may not be aware of. Besides vaping, other common laws to watch out for are: Don’t speak about the king, don’t touch a Thai person’s head, don’t step on Thai currency, and many more. It’s a good idea to read up on everyday laws before traveling to Thailand.

“People have been prosecuted for criticizing the 2014 military coup,” the Foreign Office warns. “You should be wary of making political statements in public. Lèse-majesté, (criticism of the monarchy in any form) is a crime which can be broadly interpreted, and carries a long jail sentence.”

Thailand is a affordable and gorgeous getaway, but if you want to make the trip, be sure to leave your Nutrovape (and any other vaping devices) at home.