Wicking is such an important part of your build and the vaping process as a whole. When you have high quality materials to wick with, you are going to notice that the quality of your overall vaping experience is elevated. These cotton lumps from COTN are top of the line as far as wicking material goes and you will come to see just how great that they work and how they make your sessions so much more satisfying, clean and smooth running with them utilized in your build. That along with their very fair price makes these must haves for any vapers who want to keep stocked up and have the option to switch things up when they need to without having to wait around and order new cotton in. It's always nice to be prepared, so do yourself a solid and bring these lumps aboard your crew. COTN is the gold standard as far as wicking goes, they release premium products that are so far above the rest of what's out there that there really isn't any question when you go to choose them. These Lumps are certified organic, pharmaceutical grade cotton that is produced without bleach and are completely tasteless. They are all cut to size so you waste less, absorb liquid quickly, are high temperature resistant and have no break in period.