.Easy to clean.Safe and non-toxic.Need to use with coffee machine.Condition: Item Type: Blind FilterWeight: Approx. 7g / 0.2oz / pcsblind 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 special cleaning powder or a special coffee cleaning tablet;Press the brew button, run for about 10 seconds, then turn off;Repeat the above operation about 5 to 6 times at intervals of 10 seconds;Remove the blind film, rinse the coffee handle, and the cleaning process is complete.colour:blackMaterial:rubbersize:5cm*5cm*0.2cmPackage Contents:10 * Blind filterOnly 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.