A private company is probably OK legally having a policy of choosing not to do transactions for a product. With something as controverial as Electronic Cigarettes that may have safety issue, Mech Mods- wrong batteries and is meant to be used with a Chemical like nicotine I think they would win any lawsuit for not selling Electronic cigarettes is Short order. Not to mention you have be be at least 18 in about 30 states to purchase these. Does Paypal confirm your age?.
From PayPal
User Agreement:
2.1 Eligibility. To be eligible to use the PayPal Services, you must be at least 18 years old and a resident of the United States or one of the countries listed on the PayPal WorldWide page. This Agreement applies only to Users who are residents of the United States. If you are a resident of another country, you may access the agreement that applies to you from our website in your country.
There are 3 possible areas of the
Acceptable Use Policy:
Prohibited Activities
You may not use the PayPal service for activities that:
1. violate any law, statute, ordinance or regulation.
2. relate to transactions involving (a) narcotics, steroids, certain controlled substances or other products that present a risk to consumer safety, (b) drug paraphernalia, (c) items that encourage, promote, facilitate or instruct others to engage in illegal activity,
and
5. violate applicable laws or industry regulations regarding the sale of (a) tobacco products, or (b) prescription drugs and devices.
Currently, vaping products other than the possibility of e-liquid do not meet any of the above restrictions any more than a tobacco pipe, lighter, hookah pipe, soda can (which can be used for a bong), etc. Banning devices that could be related to drug paraphemalia simply because some people use them that way would broadly affect a tremendous amount of innocuos products designed for other uses.