This double mesh filter allows you to prepare your favorite beverage without the use of paper filters. The special double walls keep the coffee grounds inside while the coffee oils collect on the outside, giving your brew a rich flavor. Make the most of your coffee easily and effectively. It is perfect for on-the-go and made from lightweight, durable stainless steel. There is no need to carry paper filters. The infusion process takes only 3 to 4 minutes, and the special double mesh walls enhance the taste.