General description The Permanent Coffee Filter is a reusable stainless steel coffee filter designed for optimal extraction and flavor retention. Made from high-quality 304 stainless steel, it features a reinforced double mesh with a 600 mesh size, ensuring that coffee grounds do not enter your cup. This portable and durable filter is perfect for various settings, including business trips, commuting, and camping. Technical specifications Material: 304 stainless steel Mesh size: 600 mesh Filter thickness: 0.2 mm Dimensions: 14.3 cm Capacity: 1-6 cups Usage Heat the permanent coffee filter in hot water and rinse. Add coffee grounds to the filter. Slowly pour hot water over the grounds and let the coffee flow through. Remove the filter and enjoy your silky and delicious coffee. Other information Includes a black cleaning brush for easy maintenance. Dishwasher safe for convenient cleaning.