This storage container 10 has: a container body 11 that is flexible and has an inflow port 12a and an exhaust outlet 13a provided therein; and a water absorbing structure 20 which is housed in the container body 11 and which absorbs a liquid that flows into the container body 11 through the inflow port 12a. The water absorbing structure 20 comprises a permeable sheet material 21 and a water absorbing member 27 encapsulated in the sheet material 21. The container body 11 has a plurality of water absorbing members 27 provided therein, and two adjacent water absorbing members 27 form a flow channel 33 between the container body 11 and the water absorbing structure 20.