FAST PROCESSING - Dispose of your used coffee grounds quickly and easily with our espresso knock box, designed to fit conveniently within inches of your espresso maker. Store old coffee grounds for gardening, as they serve as a rich fertilizer option for your garden beds. The black espresso knock box provides ample storage space for holding residual coffee grounds, making it easy to transfer them to a compost bin later. PERFECT SIZE - Measuring only 4.8 inches, this coffee waste bin is ideal for storing underneath most espresso machines. Its large capacity means you won't have to empty it frequently. Made from sturdy ABS plastic, it features a food-safe rubber bar for added convenience. HIGH QUALITY - The rubberized knock bar is designed to prevent dents and scratches on your portafilter, helping to eliminate spills and keep your portafilter safe during use. DETACHABLE KNOCK BAR - The rubber bar can be easily removed from its plastic holder for quick emptying and cleaning, ensuring fast maintenance and hygiene. STRONG STABILITY - Our puck box includes a non-slip rubber pad on the bottom, providing stability and reducing noise. It prevents sliding and protects your kitchen countertops from scratches.