High-Quality Espresso Knock Box - Made of special ABS material, which is durable. The coffee waste bin very durable and sturdy can be used for a long-lasting time. The ABS plastic material prevents bacterial growth from internal. The anti-slip layout at the lowest, greater stable while knocking slag. Perfect Size - The size of the Coffee Ground Knock Box is perfect for storing underneath most espresso machines. The capacity is large enough that you don't have to empty it too often. Special Design - The Coffee Grind Dump Bin with a rubber bar and plastic body is able to reduce the noise when using. A detachable rubber bar makes it simple to clean. The deep bent design makes coffee slag not easy to splash while an oblique mouth allows you to use it more conveniently. Multiple Uses - Our black coffee knock box widely used at home, cafe shops, canteen, restaurants, bars and more. Affordable and reliable product for you.