Perhaps the easiest coffee brewing tool you'll find. As a bonus, it also allows you to make high quality and flavorful coffee. Just simply add hot water and ground coffee to the Clever Coffee Dripper filter cone, stir, and let it sit for a few minutes. Afterward, place it over a carafe or cup, and the valve at the bottom opens, allowing the coffee to drip into the carafe or cup. Capacity of 500ml and works with Melitta 1x4 filter papers. Made from BPA-free plastic.