Tea bag were first commercialized in year 1904. At first only tea dust or fannings were used in tea bags because of its narrow space. Since then, tea bags evolved and now there are many types of tea bag available in the market.
Our tea bags use high quality tea leaf or tea dust to produce. For pyramid tea bags, only high quality tea leaves are used, the cost of pyramid tea bag is much higher compare to traditional tea bag, there is no reason to use low quality tea in pyramid tea bag.
In general, there are 2 different size of teabag, 2-3g and 5g. 2-3g teabag is suitable for used in teacup, while 5g is more suitable for teapot. You can use 5g in teacup if you prefer stronger green tea taste.
Read about the advantages of pyramid tea bag.