and high quality. Easy to clean. Safe and non-toxic. Need to use with coffee machine. Item Type: Blind Filter blind pad and a coffee machine handle are provided with a strainer; Put the blind piece into the tip of the coffee machine handle, and then put a spoonful of 3 to 5g coffee machine cleaning or a coffee cleaning ; Press the brew button, run for about 10 seconds, then turn off; Repeat the above operation about 5 to 6 at intervals of 10 seconds; Remove the blind film, rinse the coffee handle, and the cleaning process is complete. Compatibility: Fit for Espresso Machines Colour:gray Material:Silica Size:Approximately 54mm in diameter Package Contents: 1 * Blind filter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.