The Mate Los Llanos is a brand of yerba mate produced by the company La Tranquera. It is made from natural ingredients and is known for its strong flavor and aroma. The company is located in Uruguay and produces a variety of yerba mate products. The Mate Los Llanos is one of their most popular products and is widely available in many countries. The Mate Los Llanos is available in different flavors such as natural, lemon, and mint. It is also available in different sizes, ranging from small packages to large packages.