They're disguised as pens, USBs, and everyday gadgets easy to miss, even for the most attentive parents. Vapes and ecigarettes blend seamlessly into daily life, making it harder to see Vapes disguised as school supplies worry parents, teachers Vape Brands Have Gone Too Far With Disguised Vaping Devices The Juul vaporizer can be disguised as a Sharpie or a USB stick, and contains nicotine, glycerol and other chemicals.