Liquid storage bag

摘要

A liquid storage bag having a partition wall allowed to be peeled easily and not peeled by an accidental drop, etc. The upper part of the liquid storage bag is closed with a freely openable and closable zipper 2, and the bottom of the bag is provided with a liquid outlet 4, an easily peelable partition wall (a weak seal part 3) being provided close to the zipper. The internal space of the liquid storage bag is divided liquid-tightly into upper and lower parts through this weak seal part 3, liquid is stored in the lower part of the internal space (liquid storage chamber 1), and the weak seal part is formed in chevron form at a centre 31 and increased in width at both end parts 32 thereof.