20 Gallon Bubble Magic Extraction Bags (set of 8)Bubble Magic extraction bags are built to extract essential oils and do other plant extraction in no time. All seams are double stitched using strong nylon thread. Each bag consists of a unique mesh screen sidewall that offers more surface area and ensures draining faster. These extraction bags come in a set of eight, and each set has its own carrying bag. They are also re usable. What Does the Package Include? 220 micron bag 190 micron bag 160 micron