Function: Disposable coffee filters help remove bitterness and excess coffee grounds, filter coffee evenly, maintain the original taste of coffee, and preserve its natural characteristics. Convenient: The coffee filters are 64mm (2.5 inches) in diameter and compatible with various coffee and espresso machines. Disposable design eliminates the need for cleaning metal filters, offering a hassle-free coffee experience. Wide Use: These coffee filter papers are suitable for home, restaurant, and café use, and work with different coffee machines, including drip coffee and espresso machines, making them a favorite choice for coffee enthusiasts. Material: Made from high-quality raw pulp material, these filters offer strong durability and excellent permeability. They are environmentally friendly, biodegradable, and packaged in double vacuum sealing for safe and hygienic use. Color: Primary Color. Material: Paper. Package Contents: 1000 Coffee Filters (10 packs of 100). Note: Lighting and monitor settings may cause slight color variations between the product image and the actual item. Measurement may vary by +/- 1-3 cm.