1,Large opening design can prevent coffee grounds from splashing around, can hold a considerable amount of coffee grounds. 2,With a detachable knock bar, it is easy to clean, can be cleaned by hand, dishwasher , and saves time for cleaning coffee tools. 3,Selected plastic and rubber materials, and non slip, can reduce noise during use and avoid scratching the filter. 4,Multi purpose design, small size, compact structure, widely used in coffee shops, restaurants, bars, family kitchens, etc. 5,The coffee knock box is exquisitely crafted and suitable for storing coffee grounds, which is an gift for coffee lovers. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.