Abstract: A storage container is disclosed, which includes: a container body; a folding line enabling folding and unfolding; a cover comprising a first and a second cover provided on the left and right sides of the folding line; a rotary pressing member rotatably provided on or near the folding line; and an elastic element coupled to the outer edge or inner side of the cover, wherein the cover can be inserted into the container body while folded, the cover is unfolded by a rotation of the rotary pressing member in one direction, the rotary pressing member is coupled to the cover so that the elastic element comes tightly contacts the inner wall surface of the container body and the cover maintains an unfolded state, and the cover is folded by a rotation of the rotary pressing member in the other direction so as to be separable from the container body.

Abstract: A storage container is disclosed, which includes: a container body; a folding line enabling folding and unfolding; a cover comprising a first and a second cover provided on the left and right sides of the folding line; a rotary pressing member rotatably provided on or near the folding line; and an elastic element coupled to the outer edge or inner side of the cover, wherein the cover can be inserted into the container body while folded, the cover is unfolded by a rotation of the rotary pressing member in one direction, the rotary pressing member is coupled to the cover so that the elastic element comes tightly contacts the inner wall surface of the container body and the cover maintains an unfolded state, and the cover is folded by a rotation of the rotary pressing member in the other direction so as to be separable from the container body.