[Double Layer Coffee Filter] - The coffee filter cup consists of two layers of filters, the inner filter is evenly distributed with ultra-fine mesh, which in combination with the high hardness outer filter allows the coffee grounds to be fully saturated and ensures a particle-free drinking experience. [True Coffee Taste] - The ultra-fine internal filter captures all unwanted grounds. Super fine mesh to control the reasonable extraction time to achieve the best extraction rate, to creating a rich flavorful cup of coffee. The base is firmly attached to the filter and will not separate. [Perfect Fit Most Cups] - The stainless steel pour over coffee dripper has a wide 3.8 inch diameter base that fits perfectly in most coffee cups, mugs and pots. Coffee dripper are available to meet your different needs for a variety of occasions. [Paperless and Reusable] - The whole is made of high quality stainless steel, safe and healthy. Paperless and reusable coffee filters retain coffee flavor better. Using a stainless steel drip coffee pot head not only reduces filter waste, but also saves time and cost. [Easy to Clean] - Our coffee cone dripper can be rinsed quickly while hot, with clean water. Thorough cleaning every month and descaling the filter with distilled vinegar and warm water will maintain a good experience.