About this item 【High Quality Espresso Machine Accessories Set】: The espresso machine accessories set includes a Large Knock Box Espresso and a Silicone Coffee Tamper Mat. The Espresso Knock Box is made of high - quality ABS. The rubber pad on the bottom of the Espresso Knock Box prevents sliding. The knock bar is made of durable and flexible rubber and contains a strong steel core. The espresso tamping mat is made of food - grade safe silicone material. It can be pressed tightly against the workbench to avoid sliding. 【Large Knock Box and Tamping Mat 】: This is a very large Espresso Knock Box, which is much larger than a regular - sized Espresso Knock Boxes. You can put both your coffee grounds and your tamped pucks in here and go a good week or so without emptying it. And our coffee tamping mat is highly flexible and durable. It rolls up for easy storage and is designed to perfectly fit any coffee accessories and countertops of any size. 【Easy to Clean】: The Knock Bar can be easily removed and the inner surface is smooth. You only need to rinse the espresso tool with clean water. The Coffee Knock Box can also be washed in the dishwasher. Our coffee tamping mat is highly flexible and durable and rolls up for easy storage. It is easy to clean with soap and water. it is also dishwasher safe, saving time for cleaning espresso tools. 【Perfect Size& Lengthened Rod design】: The diameter of the Knock Box for espresso coffee grounds is 6.3 inches and it is 5.9 inches high, which can hold enough coffee grounds. It has a lengthened rod design, which avoids the knocking rod from falling into the trash. The size of the coffee tamper mat is 6.9 inches X 4.9 inches. These espresso accessories are the perfect size for limited counter space such as coffee corners in homes and offices. 【Multi - Functional Application】: The Espresso Puck Knock Box is large enough that you don't have to empty it often. It can quickly and easily dispose of used coffee grounds from your espresso machine. Our coffee tamper mat is specially designed for making espresso. It provides a more convenient portafilter holder design and maximizes your space utilization. It is suitable for your daily life, such as table corners, coffee shops, kitchens, baking houses and tea rooms.