. Easy to clean. Safe and non-toxic. Designed for use with coffee machines. Condition: Item Type: Blind Filter Weight: Approx. 7g / 0.2oz per piece The package includes a blind filter and a coffee machine handle with a strainer. Insert the blind filter into the end of the coffee machine handle, then add 3 to 5g of coffee machine cleaning powder or a cleaning tablet. Press the brew button and run for approximately 10 seconds, then turn off. Repeat this process 5 to 6 times with 10-second intervals. After cleaning, remove the blind filter, rinse the coffee handle thoroughly, and the process is complete. Color: Black Material: Rubber Size: 5cm x 5cm x 0.2cm Package Contents: 4 x Blind Filter Note: The package includes only the items listed. Other products are not included. Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.