Entirely Gua Feng Zhai spring material from 100-200+ year old tea trees! Gua Feng Zhai is a famous but still remote village area near the Mengla-Laos border and has a great bio-diverse environment for tea growing. Entirely hand-fried, rolled and sun-dried in the traditional method. Just 20 kilograms in total produced. We used 30kg stone presses and low temperature drying after pressing! 7 cakes per bamboo leaf tong