【One-way Exhaust Valve】Keep coffee beans fresh for a long time. During the extraction process, CO₂ will hinder the efficiency of the coffee powder to absorb water. This one-way exhaust valve can automatically discharge CO₂ through the pressure difference between inside and outside, and isolate the outside air to enter, so as to achieve the effect of raising beans and maintaining flavor
【With Lid & Dust-Proof and Keeping Fresh】Repeatedly opening and closing the coffee bag can quickly expose the coffee to outside air, leading to oxidization and deterioration of the coffee beans. Our glass test tubes are equipped with lids, providing effective protection against dust or moisture when tightened, helping your coffee beans stay fresh
【Quality Material】Our coffee tube is transparent, healthy and environmentally protective, the lid is made of walnut wooden, beautiful and durable, and the base is also walnut wood, natural and eco-friendly
【Capacity & Portable】This coffee bean storage container set has 8 glass tubes, the single short glass tubes can hold up to 20-26 grams of coffee beans, making it easier to carry and use, and you can prepare the beans in advance every day for your next use, helping to simplify your daily life
【Multiuse Storage】The sealing tube can be used to store coffee beans, tea, spices, etc. 8 sealing tubes can be used to arrange the storage properly and make your countertop more organized
