A triangular teabag is for superior infusion.
It allows for more space, then this ensures a faster infusion and much better flavor and taste.
It is possible to pack such as herbal teas and fruit teas into this type of teabag.
Also, the shape itself is an attractive feature.
Also, Tsubakimoto have not only the biodegradable filter material but also the compostable packaging film "TF-BIO" developed for helping the recent environmental issue. The film is heat sealable film for low and high speed machine, and it makes a product keep freshness.