Description: Espresso Knock Box: This espresso knock box is big enough to hold a decent amount of coffee pucks and the size is for storing underneath most espresso machines, save your kitchen countertop space.Splashproof Design: design makes coffee slag not easy splashing while oblique mouth allows you to use more convenient.Easy Processing: Dispose of your used coffee grounds quickly and easily within your espresso maker, which you can later transfer them to a compost bin.Detachable Knock Rod: Silicone knock bar can be removed from its holder for emptying and cleaning.Widly Used: Espresso Dump Bin can be used at home, coffee shop, dining hall, restaurants, and more. Specification: Material: Stainless Steel,aluminum alloy, silicone Size Chart: Square: 10cmx11cm/3.94inchx4.33inch.Octangle: 7cmx11cm/2.76inchx4.33inch. Package Includes: 1Espresso Dump Bin