FAST PROCESSING-Dispose of your used coffee pucks quickly and easily within inches of your espresso maker. PERFECT SIZE-The size is perfect for storing underneath most espresso machines.The capacity is enough that you 't have to empty it too often. HIGH QUALITY-Rubberized knock bar 't dent or scratch your portafilter and helps eliminate spills. DETACHABLE KNOCK BAR-Rubber bowl can be removed from its steel holder for emptying and cleaning. STRONG STABILITY-Wide rubber-grip base provides excellent stability,prevents sliding and 't scratch kitchen countertops. Durable die-cast metal barista-style knock box Knock bar made of engineering-grade polymers Removable inner ;top-rack dishwasher-safe Polymer ring around the bottom helps prevent slipping Color:silver Material:stainless steel Package Contents: 1 x coffee powder slag bucket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.