Reusable K Cup with Disposable Paper Coffee Filter Set: This set includes 4 reusable coffee filters and 100 disposable paper filters. Use the refillable K cup to reduce reliance on single-use coffee pods. This reusable coffee filter helps minimize waste and supports environmentally conscious brewing while allowing you to enjoy your favorite coffee blends.Suitable for Universal Reusable K Cup: The disposable paper filter is designed for use with reusable K cup pods. Made from thin, natural, unbleached, and recyclable paper, it maintains its shape during brewing, allows full saturation of coffee grounds, evenly retains natural coffee oils, and ensures consistent flow without tearing. This enhances flavor extraction and provides a clean, easy cleanup after use.Universal Compatibility: The reusable K cup is compatible with both 1.0 and 2.0 brewing systems. Fits most Keurig models including: K15, K40, K45, K55, K60, K70, K75, K145, K150, B30, B40, B44, B60, B70, B130, B140, B145, B150, B155, B200, B300, K200, K250, K300, K350, K360, K400, K425, K450, K460, K475, K500, K525, K550, K560, and K575.s: The reusable K cups are constructed from food-grade stainless steel and durable plastic. The stainless steel mesh is heat-resistant and designed for long-term use. Safe for dishwashers and does not release harmful substances when exposed to hot water. The smooth interior design allows for easy cleaning.Eco-Friendly and Versatile: Reusable K cups help reduce environmental impact by minimizing single-use waste. Use them with or without paper filters to brew coffee, tea, or hot chocolate. The disposable paper filters are made from natural, unbleached, recyclable paper for added convenience and sustainability.Color: Black Material: Plastic and Stainless Steel Dimensions: 5.3 x 4.2 cm Package Contents: 4 x Reusable K Cups, 100 x Paper Filters Note: The package includes only the items listed above. Other accessories are not included. Due to lighting and display differences, the actual product color may vary slightly from images. Size may vary by 1-3 cm due to manual measurement.