This disclosure relates to infusion bags for infusible substance such as tea or herbs or the like for which separation of the infusible substance from liquid is desired. The disclosure also relates to a device which provides function of storing empty infusion bags in a container, and retrieving the empty bag individually from the container, holding and opening the retrieved bag for filling, and ejecting the filled bag for use. The infusion bags and device of the present invention is ideal for making hot tea or herbal beverages, and for other infusion needs in cooking where separation of the infused material from liquid is desired.