Feature: 1. Convenient to Clean: Detachable design, thanks to the large opening, now allows free access to knock containers. The inside can be washed comfortably with water. Also suitable for dishwasher. 2. Easy to Remove: Coffee grounds can fall directly into the powder mill. The raised back wall protects against splashes. No need to wash the counter afterwards. 3. Large Capacity: The knock box is big enough that you do not have to empty it too often, super strong, and you do not need to worry about breaking it when you hit it. 4. Superior Craftsmanship: The inside of a deep coffee ground box is flat and comfortable, will not hurt your hands, can hold a lot of coffee bean powder, prevent coffee powder splattered everywhere. 5. Multiple Applications: This coffee grounds container is heat resistant and durable, suitable for home, kitchen, bedroom, cafe, bar, restaurant, etc. Specification: Item Type: Coffee Knock Box Material: Stainless steel, rubber. Package List: 1 x Coffee Ground Container1 x Outer Box