Preserve the freshness and flavor of your coffee beans with the Coffee Bean Storage Bottle equipped with a one-way valve. This innovative storage solution is designed to protect your coffee from air, moisture, and light, the three main culprits that can degrade coffee quality over time. One-Way Exhaust Valve: Expels carbon dioxide while preventing air entry to keep coffee beans fresh. Durable Construction: Made from aluminum alloy, 304 stainless steel, and acrylic, weighing 850g for robust stability. Quantitative Storage: Features small tubes for precise single-bean storage, enhancing measurement accuracy. Portable Packaging: Offers easy transport with compact test tube packaging. Enhanced Cap Design: Upgraded with a durable metal one-way valve and an aluminum alloy sealed cap for better texture and longevity. UV Protection: Designed to block UV rays, preventing oxidation and extending the shelf life of your coffee.