Where can I find Infusion bag in Ersigen?

Infusion bag can also be found in these cities:

Bern Biberist Bremgarten bei Bern Burgdorf Derendingen Gerlafingen Grenchen Gümligen Hasle bei Burgdorf Herzogenbuchsee Hinterkappelen Huttwil Ittigen Kirchberg Köniz Langendorf Langenthal Langnau im Emmental Murgenthal Münchenbuchsee Ostermundigen Solothurn Utzenstorf Worb Zollikofen Zuchwil

You can also find this in Ersigen:

Mustard Bourbon Whiskey Candies Fruit And Vegetables Sausage Packed Rice Pudding Baking Powder Spelt Bread Nut Nougat Cream Balsamic Vinegar