1.Refillable filter pods - filter pods are comparable to but can be used over and over. Compatible with 1.0 or 2.0 brewers. Great replacement for messy and expensive disposable kcups or pods. Ideal for use at home or at work. Netted covering serves as filter. Works well with coffee or tea grounds or any other brewed beverage. 2.Easy to use - reusable cups fit easily and smoothly into the brewer, no adjustments or manipulation necessary. Netted base allows for even distribution of liquid for a superior brew of coffee or tea. 3.Easy to clean - 100 percent Dishwasher safe, tight seal prevents brew from leaking. Smooth construction makes cleaning easy. Eliminates need for messy disposable k-cups. 4.Economical - netted construction ensures that every ground is used so none of the coffee or tea goes to waste. Also reduces costs per cup significantly, compared to disposable k-cups. 5. Made from high-quality, 100 percent BPA-free polymers to ensure safety. Cups are smooth with no jagged edges.