This is the Drag nano 2 pods compatible with, Drag nano 2 and the Vinci Q. 
 
If you want a more tight draw to simulate a real cigarette pick the 1.2 Ohm option.
If you are after a more open draw that gives a bit more power and vapour, you should pick the 0.8 Ohm option
 
There is 3 pods (2ml) in the package.