Need to use coffee machine when using. Features: 1. and . 2. Easy to clean. 3. Safe and non-toxic. 4. rubber. 5. Need to use with coffee machine. Specification: Condition: Item Type: Blind Filter Material: Rubber Color: Black Size: Approx. 50 * 2mm / 2 * 0.08in Weight: Approx. 7g / 0.2oz Package list: 1 * Blind Filter Instructions: 1. A rubber blind pad and a coffee machine handle are provided with a strainer; 2. 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; 3. Press the brew button, run for about 10 seconds, then turn off; 4. Repeat the above operation about 5 to 6 times at intervals of 10 seconds; 5. Remove the blind film, rinse the coffee handle, and the cleaning process is complete. 1 and . 2Easy to clean. 3Safe and non?toxic. 4 rubber. 5Need to use with coffee machine. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.