Where can I find Infusion bag in Roggwil?

Infusion bag can also be found in these cities:

Aarau Balsthal Buchs Burgdorf Derendingen Egerkingen Egolzwil Erlinsbach Gerlafingen Gränichen Herzogenbuchsee Huttwil Kirchberg Langenthal Lostorf Murgenthal Oensingen Oftringen Olten Reiden Rothrist Schöftland Schönenwerd Suhr Unterentfelden Wolhusen Zell Zofingen

You can also find this in Roggwil:

Cookies Buttered Toast Sausages Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt