Keep Your Buds Fresh & Odor Free, Vacuum Pack Your Stash.

The vacuum environment removes atmospheric oxygen, protecting the buds from spoiling by preventing the growth of aerobic bacteria or fungi, and preventing the evaporation of volatile components. Works on most containers, Green Technology, Non-electric - no batteries or cords, Includes Everything You Need, Vacuum Pump, 3 Glass Jars, Metal Storage Lids, Plastic Travel Lids, 100 Tab-Checks, Bag Attachment, Easy Instructions.