Believe me .. in frustration I wrote a LONG explanation to Customs, stating the materials in the package were alternatives to cigarette smoking, not meant for smoking cessation. Basically, they said I was using them to stay off cigarettes. They are for smoking cessation. Well, I found it's not quite as simple as ... you have no jurisdiction! And, of course, they just sit on your "express delivery" package as long as they want. I NEVER told them it was for smoking cessation, yet that is exactly the phrase they put on a revised invoice attached to the package I received. The one with FDA approval on it. Go figure.