E-cigarettes can be simple and stealthy. Despite the big obnoxious devices that crank out vapor, smaller e-cigs have a more universal appeal. These kinds of vapes are made from e-cig brands to mimic the feeling of using a cigarette. Of course, there’s almost a never-ending supply of options to choose from on the market. Some are pre-filled and some are refillable; some are good and some aren’t. We took the guesswork out of it for you so you don't have to gamble.