Material: stainless steel Size:18*15*17cm Material: It heavy gauge stainless. You can tell the quality when you pick it up. The bottom has a removable round rubber anti-slide disc that keeps it firmly in place. So as you’re knocking out your used grinds, there is no chance of sliding Size: Capacity 60.8oz/1800ML,High capicity design.Convenient oblique mouth, the coffee slag won’t easily splash out Feature: The design is very sleek but affective.There are no sharp corners,the top of and the base of knock box is cover with rubber ring,also the knock bar. The higher back and lower front mean the grinds won’t splatter everywhere. Also, the middle rod comes out but does need to be wedged in there pretty tight. It cleans up to a like-new condition Easy to Clean: The whole knock box can be taken apart and cleaned under water of the dishwasher Package included: one knock box , one knock bar , one anti-slip rubber base , one anti-slip rubber ring (for top of knock box)