If you are trying to quit cigarettes and have a pack a day habit, then 1 STIG will last you 1 day. To that end, if you smoke half a pack a day, 1 STIG pod will last you about 1 ½ to 2 full days. If you typically smoke a ¼ of a pack a day, 1 STIG will last you 3 or possibly 4 days.