PURPOSE: To obtain a paper bag which, when laid one upon another for storage, does not cause blocking involving adhesion between the sealed part coated with an adhesive and the part not coated with the adhesive and, when the sealed parts are put together, they can be brought into sticking with a single touch.

CONSTITUTION: A first layer of adhesive which contains a tackifier in a quantity of 20-250 parts by weight in terms of solid against natural rubber latex in quantity of 100 parts by weight terms of solid is formed on one surface for sticking and on the opposite surface for sticking that constitute a sealed part. Furthermore on the first layer of adhesive a second layer of adhesive which contains a tackifier in quantity of 20 parts by weight or less in terms of solid against natural rubber latex in quantity of 100 parts by weight in terms of solid is superposed.