Feature: 1. Innovative Integration to Keep Freshness and Flavor: Airtight coffee canister with humidity monitoring gauge and date recording disk, which can monitor the storage environment and time in real time. The double-layer structure and one-way exhaust valve reduce air entry, creating a relatively stable storage environment for coffee beans. Ideal to preserve and protect freshness and flavor of different food. 2. Humidity Gauge: Comes with a humidity monitoring dial, and indicate that the 40-60%RH range is suitable for storage, 0-40%RH is relatively dry, and 60-90%RH is a humid environment. Convenient for coffee beginner and lover use. 3. Date Record Disk: A month and date recording disk is set on the top of the upper cover to record the canning date or roasting date. You can clearly understand the freshness of the coffee beans at any time. 4. Double Layer Design: Food storage canister made from double layer, effectively blocks air from entering. Buckle design+ silicone sealing ring is easy to open and close. ABS shell is wear and impact resistant, and high toughness. SUS304 liner, corrosion and high temperature resistant, odorless and easy to clean. 5. One-way Exhaust Valve: Air in the tank can only go out but not in, when the air pressure in the tank is greater than the external air pressure, the carbon dioxide emitted by the roasted coffee beans is automatically discharged. When the air pressure in the tank is less than or equal to the external air pressure, the exhaust valve is closed to block the external air entry, so as to achieve the effect of raising beans and maintaining flavor. 6. Compact Portable Sealed Canister: Coffee canister with 600ml/20.3fl.oz capacity, can usually store 180/6.3oz-250g/8.8oz coffee beans or ground coffee. Equipped with a magnetic measuring spoon, easy to organize on the canister. It can be used for extending the life of coffee, tea, flour, sugar, cereal, cookies, nuts, pet food or any perishable goods. Ideal for indoor and outside. Specification: Specifications: Main Material: Stainless Steel+ABS Capacity: 600ml/20.3fl.oz Jar Size: 95*95*163mm/3.7*3.7*6.4in Jar Weight: 435g/15.34oz Spoon Size: 116*35mm/4.56*1.38in Package List: Packing List: 1 * Jar 1 * Spoon 1 * User manual