Patented technology. No need to remove filter holder. Use your own coffee. Save money. Eco-friendly. Make coffee, not trash. Save up to 70% on coffee. 100% BPA free. Dishwasher safe. Save up to 70% on coffee costs. Easy to use, easy to clean. Works with most Keurig, Mr. Coffee, Breville and Cuisinart single cup brewers. Love coffee. Love the earth. One year warranty. www.ekobrew.com. Made in the USA.