Get a cup of coffee ready for yourself in a reusable cup filter, transfer the coffee to another cup, wash the cup, and prepare a different flavor for a guest's choice. Continue the process to satisfy the cravings of all guests or family members with widely different preferences, without the need for any transition or cleanups in between.COMPATIBILITY - Cup filters are compatible with Keurig 2.0 and Keurig 1.0 models: K10, K15, K40, K45, K50, K55, K60, K65, K70, K75, K79, K130, K140, K145, K150, K155, K200, K250, K300, K350, K400, K425, K450, K475, B31, B40, B44, B45, B50, B60, B65, B66, B70, B71, B76, B77, B79, B130, B140, B145, B150, B155, B3000SE, K-Slim, K-Duo, K-Classic, K-Elite, K-Select, K-Cafe, K-Compact.MINI MESH TECHNOLOGY FOR SUPERIOR BREW - Our reusable K-cup filters are made of high-quality stainless steel micro-mesh engineered for optimal water flow, helping extract maximum flavor from your coffee. The food-grade stainless steel is non-reactive and does not alter the taste of your coffee.DURABLE DESIGN THAT'S ECO-FRIENDLY - Reusable cup coffee filters are a superior alternative to paper filters as they do not need to be disposed of after each use. Each reusable K-cup is designed to last for thousands of brews, making it cost-effective over time. The filter features a unibody construction to prevent the lid from breaking, unlike cheaper alternatives.Color: Black Material: Plastic Package Contents: 4 x K-cup refillable cups Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.