the ridge 22 comes into contact with the side peripheral surface of the container portion 11 thus when the outer container 21 is pressed the container portion 11 is squeezed to allow the liquid therein to be dropped from the discharge port 12 as shown in fig1 b the outer container 21 significantly protrudes to the right beyond the bottom wall 14 of the container portion 11 such a portion protruding rearward beyond the bottom wall 14 of the container portion 11 for storing the liquid is defined as a tail portion 13 in the present invention the tail portion 13 has no function of storing the liquid and is a portion intended for easier carrying the left end surface of the outer container 21 comes into contact with a flange 32 formed on the plug 31 and is integrated with the plug 31 so as not to be removed further a rear pawl 24 is formed at a right end of the ridge 22 on the inner peripheral surface of the outer container 21 and presses the container portion 11 against the plug 31 fig2 shows details of the storage container 10 a in fig1 fig2 a is a side view fig2.