The Perfect Pod 1-Stream Reusable K Carafe Pod is a single-piece plastic basket designed for use with Keurig 2.0 K-Carafe machines. With a compact size of 2.5 x 2 x 2 inches, this reusable pod is compatible with a #4 coffee filter size and is lightweight at 0.01 ounces. The Perfect Pod brand ensures quality and compatibility with your Keurig 2.0 K-Carafe, allowing you to enjoy your favorite coffee in an environmentally-friendly way. Great for reducing waste and saving money on disposable pods.