Functions:The cone coffee filter can fully extract the coffee at the bottom, good for 4-6 cups, it can reduce the damage to the flavor of coffee and keep the tast of coffee, also fast for filtering. Advanced Design:It's made of paper,the texture is fine and smooth, smoothness is good, no . There are some oblique lines with a wave line from one corner of the paper to the other to enhance sturdy of paper. Wide Arrangement: The coffee filter is great for drip coffee filters machine, electric coffeemaker, filter bowl, , . Please contact us if you're not sure what kind of coffeemakers suit for. Premium Material:The coffee filters are made of 100% coniferous protoplasm, natural material and unbleached to keep your healthy, total filters of 100 packs. Attention Please: The coffee filters are size in roughly the side diagonal is 3.74 inch, the bottom wideth 1.97 inch, the maximum top wideth 6.3 inch and center height 3.94 inch.