This is starch from potatoes. Almost all the potato starch is made from "Bareisho" potato in Hokkaidō prefecture. It is also famous as material in food industries and used for starch syrup and processed marine product such as a tubular roll of boiled fish paste "Chikuwa", and a boiled fish paste "Kamaboko". Potato starch is also used domestically to make starchy sauce for food and a thickener for food. This product is a bag with a convenient zipper.