[Coffee Dosing Funnel]: Coffee tool for precise and even dispensing. [Easy to Clean]: The coffee grinder dosing funnel can be washed directly with water and is easy to clean. [Easy to Use]: Coffee dosing rings are easy to use, just put them on the coffee handle basket, load them and them flat, the coffee not fly out easily, keeping the desktop tidy. [Gift]: Coffee tool dosing rings are the best tools for baristas and coffee lovers to help them make better espresso.