I'm right now sitting in the Seatac airport waiting for my flight and i have 10 jays with me and i haven't had a problem yet. What I did was roll all of the tobacco out of ten of the cigarettes in my pack then loaded up each one with a 75% weed and 25% tobacco. Its great because they look like normal cigs and the other cigs in the pack and the tobacco in the Spliff's covers up the scent of the weed pretty well.