There are a variety of styles available, typically broken into three generations
"Leading tobacco brands worldwide 2024"
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E-cigarettes are sometimes called e-cigs, vapes, and electronic nicotine delivery systems (ENDS). When people use them, this is often called vaping. Some e-cigarettes look like other tobacco products like lit cigarettes, cigars, or pipes, while others can look like everyday household items such as USB computer memory sticks, writing pens, asthma inhalers, mint tins, and clothing

Why carry-on is usually better: Easier access during layovers or after landing Lower risk of loss if checked baggage is delayed Simpler declaration at customs when landing internationally Carry-on luggage is recommended for cigarettes over checked luggage by most travel advisors When checked luggage makes sense: Carrying multiple packs or cartons within legal customs limits Keeping your carry-on bag lighter for overhead bin space Separating cigarettes from lighters and vapes that must stay in the cabin Keep cigarettes in original packaging and grouped together so they are easy to present during security checks or customs inspection
For nicotine users, personal importation within strict limits (120ml liquid, 2 devices) is the only legal avenue