Premium Material: The coffee filters are made of 100% natural unbleached paper, providing a chemical-free and healthy brewing experience. Each pack contains 100 pieces. Advanced Design: Constructed from high-quality paper with a fine texture and smooth surface to ensure no residue or grit. Reinforced with wave-patterned diagonal lines from one side to the other for added strength and durability. Functions: The cone-shaped coffee filter allows for full extraction of coffee grounds at the bottom, suitable for 4-6 cups. It helps preserve the original flavor of coffee, reduces bitterness, and enables fast filtration. Wide Compatibility: Ideal for use with drip coffee machines, electric coffee makers, filter bowls, and V60 brewers. Please verify compatibility with your specific coffee maker model. Attention: The filter size is approximately 3.74 inches in side diagonal, 1.97 inches in bottom width, 6.3 inches in maximum top width, and 3.94 inches in height. Specification: Product Name: Coffee Filter Paper Type: Type 102 Fan-Style Filter Paper Packaging: 100 pieces per pack Compatibility: American coffee makers, drip coffee makers, filter cups Color: Brown Material: Paper Package Contents: 100 x Coffee Filter Paper Note: Light and display differences may cause slight variations in color. Measurement may vary by +/- 1-3 cm.