Clear tubes made of Polycarbonate material with a one-way exhaust valve on the cap, perfect for storing your coffee beans in smaller quantities and ready for single dosing, perfect for any home and cafe. This greatly speeds up the single-dosing workflow by not having to measure the weight of the coffee each time. Pour the coffee beans into the grinder with your advanced prepared amount with no mess. Comes with a wooden base metal frame and a metal funnel. Gorgeous looking and premium feel – an art piece itself!