[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 press 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.