High quality, easy to clean, and safe for use. Designed to be used with a coffee machine. Condition: New Item Type: Blind Filter Weight: 7g / 0.2oz per piece Material: Rubber Color: Black Size: 5cm x 5cm x 0.2cm Package Contents: 10 x Blind Filter Note: This package includes only the items listed above. Other products are not included. A blind pad and a coffee machine handle strainer are provided. Insert the blind filter into the coffee machine portafilter, 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 completion, remove the blind filter, rinse the portafilter thoroughly, and the cleaning process is finished. Please note that lighting and monitor settings may cause slight color variations between the image and the actual item. Measurement error is allowed within +/- 1-3cm.