Product details: Enjoy the robust flavor of delicious coffee with the Melitta JavaJig Coffee Filter. It can also be used with most Keurig-style brewers as an alternative to purchasing the standard K-cups. Have coffee ready in seconds with these filters. They are specially designed to fit the Melitta Java Jig. You can use more or less of your own favorite coffee inside of these single-serve coffee filters to adjust the strength. They can be used easily to make preparation a breeze. They also make cleanup quick and easy, so you are ready to make your next cup.