Holding container, external container for kneading and transportation, and kneading device

In order to achieve a container which is convenient for carrying, delivery, transportation and storage of a viscous liquid, which can be disposed by being crushed to a small volume size when it has become empty, and which prevents twisting or rising up of the lower half of the container during a mixing of a viscous liquid, a container A holding liquid is used, wherein a ring-shaped rim frame is provided on the upper end of a flexible tubular main body , a bottom plate is fitted onto an opening at the lower end thereof, and at least one ring-shaped trunk section frame is provided on the outer circumferential surface of said tubular main body