The Bubble Magic Dry Tumbler 500 is capable of processing up to 500 grams of dry plant material at a time! The entire process takes only 15 minutes! The Bubble Magic Tumblers feature a 145 micron screen standard. Save time and money and tumble your flowers, leaves, stems, and trim quickly and efficiently with no hassle! No messy bags, no water, and ice necessary. No more waste! Simply load your frozen plant material into the drum and let the motor do the work!