Where can I find Infusion bag in Fernwald?

Infusion bag can also be found in these cities:

Bad Nauheim Butzbach Giessen Langgöns Lich Lollar Mücke Münzenberg Nidda Pohlheim Reiskirchen Rockenberg Wettenberg Wetzlar

You can also find this in Fernwald:

Candy Clinical Thermometer Oral Hygiene Make-Up Removal Products Refreshing Wipes Unisex Magnesium Cold Tea Ginkgo Drainage Tea