Mini size is perfect for storing underneath most espresso machines. The capacity is enough that you 't have to empty it too often. knock bar made of hard rubber and aluminum, fashionable and beautiful appearance, silicone bar are to reduce the noise when using, detachable design makes it easy to clean.Widely used , cafe shop, canteen, restaurants, bars and more. Affordable and product , it is also a good perfect gift for coffee lovers.For the professional barista as well as home users of espresso machines it is to use a stable and solid knock box for the quick disposal of espresso grounds.size: 150 x 135mmMaterial: Aluminum alloycolour: WhitePackage Contents:1 x slag boxOnly the above package content, other products are not included.Note: Light 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.