Welcome to the store! EASY TO USE - This coffee bean storage has 6/12 glass tubes, each tube can hold up to 18/22 grams of coffee beans. Lead-free glass tube - The coffee tube is transparent and beautiful, healthy and environmentally friendly. Wooden base - High-quality natural walnut base, embedded design, protects the glass tube from falling easily. There are four non-slip pads on the bottom for stable placement. One-way valve: Keeps coffee beans fresh for a long time. During the extraction process, carbon dioxide prevents the coffee grounds from absorbing water effectively. This one-way valve can automatically release CO2 through the pressure difference between the inside and outside, and isolate the outside air from entering, which achieves the effect of raising beans and maintaining the taste. Color: As Shown Material: wood + glass Test tube Size: large Package contents: 6 x test tube 1 x 6 hole base 1 x funnel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!