Mini MESH TECHNOLOGY FOR SUPERIOR BREW - Our reusable k cup filters are made up of superior quality stainless steel -mesh which is engineered to ensure an flow rate of water through the coffee - this helps extract maximum flavours from your coffee. Moreover, the food-grade stainless steel is non-reactive and doesn't alter the taste or aroma of your expensive coffee in any way.DURABLE DESIGN THAT'S ECO-FRIENDLY - cup reusable coffee filters are a far superior choice to paper filters as they do not have to be disposed of after every use and each Reusable k cup is expected to make thousands of coffees. This also means that our filters prove to be more cost-effective in the long run. Besides this, my reusable k cups have a unibody construction to ensure that the lid doesn't break like the way it does in case of cheaper options.Colour:blackMaterial:Plastic + stainless steelSize:4.5 x 5cmPackage Contents:1 * Coffee funnelOnly the above package content, other products are not included.Note: Light 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.