Mate Tea Barao, also known as "Yerba Mate". Brazilian Mate Tea- Chimarrao is here at most of our retail store locations. It's available in a 500g size vacuum packed which is perfect for keeping fresh. BARAO is the most famous brand of Chimarrao (Erva Mate) in Brazil. The traditional variety has been enjoyed for over 60 years in the market. It's extremely high in anti-oxidants and of premium quality.