A flexible container excellent in durability and stability for storage and conveyance and capable to prevent the content in the flexible container from scattering. The flexible container is so constructed that a frame for fixedly supporting a storing bag is provided around the storing bag, so that the storing portion is accommodated in the frame; that the cylindrical injecting portion provided at the top of the storing portion and the cylindrical discharging portion provided at the bottom of the storing portion are extended to a given length from the frame to open to outside; that a folded portion is integrally formed around the outside of the storing bag at a portion thereof near a root portion of the cylindrical discharging portion of the storing bag placed in the frame; that a flange having a pair of ring-like fixing portions to fixedly hold the folded portion in sandwich relation therebetween and a cylindrical portion projecting from an inner periphery of one of the fixing portions is mounted to the folded portion, so that the cylindrical discharging portion is surrounded within the frame by the folded portion and the flange, to form an accommodating portion for accommodating therein the cylindrical discharging portion as folded; and that a lid is detachably provided at an opening of the cylindrical portion at its projecting side.