It is of the most often used food-class produced bag in Japan, and it can be use to make tea, season food, and stew Chinese medicine. It is simple, safe, hygienic, and can endure up to 180 C. The plant has successfully developed such product in recent days, and it will be marketed in April. We have now already received overwhelming inquiry from family-use utensil manufacturers, and it is expected that there will be a new wave of family consumption habit in Taiwan. It is of PET environmental friend material, and is cleared by FDA of US. It is toxic free after high-temperature boiling, and it accommodates to international environmental standard. You phone call for inquiry is welcome.