Material: Espresso Knock Box is made of solid wooden material, which is sturdy and nonslip to avoid scratching your handle or hands. Coffee Grounds Bucket: Espresso knock case is big enough to hold a decent amount of coffee pucks and the size is for storing underneath most espresso machines, save your kitchen countertop space. Easy to Clean: The detachable strike lever makes it easy to clean. You can wash it by hand and it is dishwasher safe, saving you time cleaning your coffee tools. Unique Design: Creative design makes coffee slag not easy splashing while oblique mouth allows you to use more convenient. Application: Coffee Grounds Bucket can be used in cafes, western restaurants, bar, home kitchens, etc. Specification: Material: Wood Size Chart: 13cmx12cm/5.12inchx4.72inch 11cm/4.33inch 9.5cm/3.74inch Package Includes: 1 PieceCoffee Grounds Bucket Note: Please allow slightly errors due to manual measurement and different monitors.