PURPOSE: To speed up the extraction of coffee by directly pouring hot water in a pack, and take out the pack by gripping a knob consisting of a bag-shaped container, as for a bag shaped filter pack of coffee which is used by putting in a cup.

CONSTITUTION: Coffee powder is filled in a bag-shaped filter 3, the internal surface 14 of which is formed of the filter 3, and the external surface 12 side of which is formed of a waterproof and heat-shielding film 2. Then, the bag- shaped filter 3 which temporarily seals the mouth part of the bag-shaped filter 3 has an integrated structure with a knob surface.