All of our 120 ml Shortfills come with 2 free 10ml 18mg Nicotine shot which when added to a 100ml over flavoured Zero nicotine will make 120ml of 3mg E-liquid. Our 100ml Bottles come with2 x 15mg nic shots which when added to 80ml of over flavoured Zero Nicotine Eliquid will make 100ml of 3mg Eliquid.