EXCELLENT QUALITY: The main body of The Knock Box is made of high quality plastic, and the knocking service is made of food grade rubber, which will absorb most of the vibration and reduce noise. BARISTA INNOVATION: The new knock box coffee grounds knocker was developed in Germany and combines a minimalist design with improved ease of use. Now even easier, faster and more comfortable. PERFECT SIZE: This knock box is large enough to hold a decent amount of coffee pucks and the perfect size to store under most espresso machines.PRACTICAL CLEANING: Thanks to the wide opening, the container is now freely accessible. The interior can be rinsed comfortably with water. Also suitable for the dishwasher. Widely used: This knock box can be used at home. And the huge capacity is perfect for commercial espresso machine, so it can be widely used in cafes, canteens, restaurants, bars and more. punching With our innovative konck-off pad we say goodbye to the rodWith this pad we have made the handling of the punching box and faster Perfect size Coffee grounds waste bin measures 13cm in height, 12cm in diameter. The rubber foot gives the imitation box a sturdy stand in the kitchen or bar. Easy to clean The smooth surface makes the easy-to-clean t-shirt. Dishwasher safe too. Enrich your home with this noble portafilter container.