The Weber Workshops Bean Cellar Polymer is a single-dose coffee storage system designed to preserve freshness by minimizing air exposure. Traditional storage methods expose beans to oxygen every time you open the container—the Bean Cellar limits that contact to just twice: once when you fill it, and once when you're ready to grind. Each dose stays sealed until you need it, protecting the volatile aromatics and oils that define exceptional espresso.Key Features One-Way Valve Cap: allows CO₂ from freshly roasted beans to escape while preventing oxygen ingress, naturally preserving flavor BPA-Free Polypropylene: durable, food-safe construction that withstands daily use and temperature extremes Freezer-Safe Design: polymer construction makes these tubes ideal for long-term cold storage without risk of cracking or condensation damage Single-Dose Format: each tube holds one dose, so you can prep a week's worth of coffee and eliminate bag diving Weber Workshops Engineering: precision-molded for consistent fit with EG-1 and other Weber grinders Whether you're batch-prepping for the week or preserving a limited-edition lot in the freezer, the Bean Cellar Polymer integrates seamlessly into Clive's espresso ecosystem—backed by our technical support, workflow consulting, and commitment to helping you get the most from every bean.