Perfectly compatible with Ninja CFP301,CFP201 DualBrew Pro coffee maker pod adapter.Combine the single cup production with the coffee of your most satisfied grinding quality to create a cup of your favorite coffee in 2 minutes. It's faster and easier to make a single cup of coffee with this refillable coffee pod than with a coffee basket.Fill the coffee to the proper position, start brew and you can a cup of coffee in 1-2 minutes.Easy to clean after brewing('t take it out immediately to avoid scalding), just wash it under running water for a while. We have tested this cup hundreds of . It works quietly and filters ,no coffee residue at the bottom of the cup, and the coffee will not be spilled.It only takes 1-2 minutes to a cup of coffee. These reusable k Cups coffee filters are made of food grade PP and food grade 304 stainless steel(with more fine mesh holes, more thorough filtration, and more pure coffee ). Compared with disposable coffee pods, use these reusable K cups can save more money and reduce the landfill problem caused by disposable coffee bags(Contribute to environmental protection). Colour:black Material:plastic Size:5.25 x 3.7 x 4.05cm Package Contents: 2 x Coffee Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.