The Suorin Drop replacement cartridges are as easy to use as the Suorin Drop starter kit itself. These cartridges are specially manufactured for the starter kit system and have the carrying capacity of about 2ml that you can fill with an e-liquid of your own choice. The Suorin Drop cartridges are extremely easy to use as the replacement mechanics are simple to follow and require hardly any unnecessary brain power or theatrics. Another pro of these cartridges is that one can easily switch between flavors in the midst of vaping, this factor undoubtedly makes the experience more enjoyable. In addition to that, the cartridges, much like the starter kit are easy to carry round and thus make the entire ordeal much easier.