PURPOSE: To obtain a package reliably and safely containing a liquid content, such as food liquid or various kinds of chemicals, for the storage thereof.

CONSTITUTION: A content is charged in an inner bag body 3 formed by bonding the peripheral parts of overlapped laminated plastic films by heat sealing or the like. The inner bag body 3 is wrapped with an outer bag body 5 with a space part 8 of an appropriate width provided around the inner bog body 3. The outer surface of the inner bag body 3 and the inner surface of the outer bag body 5 are bonded to each other by heat sealing or the like along the peripheral edge of the inner bog body 3. The inner bag body 3 is made of a plastic film formed by laminating an outer plastic film superior in heat sealability on an inner plastic film superior in resistance to chemicals.