Cotton Bacon Prime is US grown cotton which is specifically selected and formulated for vaping. The cotton fibers go through a propiratary process to cleans them of any impurities, oils, and pesticides. This new version wicks 33% faster than the previous version of Cotton Bacon, making it the fastest wicking cotton on the market. It comes packaged is an ultra convenient resealable, waterproof package which contains 10 grams of premium cotton (enough to last most people re-wicking about 100 coils).