Features: The knocking Box for Coffee Grounds features a durable stainless steel construction with a noise reducing rubber coated knocking bar, perfect for espressos machine users seek a quiet and long time coffee grounds container. Produced with a nonslip rubber base, wide opening for easy disposal, and detachable knocking bar for effortlessly cleaning, this accessory ensures stability and hygienes during daily coffee preparation. Ideal for homes, cafés professional, and office coffee enthusiasts who require a reliable, rusts proof solution to collect and manage espressos waste efficiently. sturdy yet spacious, this knocking box fit seamlessly under most portafilter machines in kitchens, coffee shops, or sturdy workspaces, streamlining your brewing routine without mess. Enhances sustainabilities by repurposing collects coffee grounds as plant fertilizers or odor neutralizers, while enjoy the rusts resistant, scratch proof stainless steel build for daily use. Specifications: Component: Stainless Steel Type:Stainless Steel/Matte Black(Optional) Small Size:Approx.11.4x12x10.50cm/4.48x4.72x4.13inches Capacity:Approx.750ml Large Size:Approx.14.1x14.8x13cm/5.55x5.82x5.11inches Capacity:Approx.1600ml Package Includes: 1Pc Coffee Grounds knocking Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.