Our plant-based Prism™ Tea Bags release the full flavour of our loose leaf tea and allow for the purest infusion. They're made from biodegradable plant starch and are industrially compostable so please dispose of them in your food waste. Birchall Virunga™ is a pure origin tea, sourced from the finest tea gardens in Rwanda, found close to the country's border with the Democratic Republic of Congo and the Virunga National Park. In this region, the tea bushes grow slowly, at high altitude and relatively low temperatures, developing greater flavour before they are individually picked. Our pursuit of quality ensures that all our tea leaves are only ever hand plucked. The leaf, bud and tender stem are carefully pinched together in a 'perfect pick'. This is how Birchall Virunga™ gains its exceptional brightness, yellow gold colour and distinctively refreshing flavour.