- Coffee Beans Test Tube Plus Base
- Material : Black Walnut, Low Borosilicate Glass
- Improves Brewing efficiency for a week
- Keeps Coffee Beans in Order
- Silicon Collapsible Funnel, Telescopic Folding
- Quantitative Storage for Accurate Dossing
- Thread ABS Cap for Moisture Resistant to Store Freshness
- Up to 18-22g Capacity Depends on the Roast Level