The new trend in the vape world is disposable devices. Usually filled with 20 mg/ml nicotine salt liquid with the most spectacular flavours.If you have previously vaporised freebase nicotine at a lower nicotine strength, you will find that 20 mg/ml nicotine salt based is fine as salts are less pungent and easily absorbed. Why are these devices popular, everything in today's society is focused on convenience, this is the main reason why people choose a disposable version of the e-cigarette. If you have been smoking for a long time, you may have also found it uncomfortable to carry around a large and heavy device. These small and light vapour devices are now of such a quality that they are perfect for use when you are on the go.