A powder container is removably mountable in one of a process cartridge and an image forming apparatus. The powder container includes a discharge port to discharge powder stored inside the powder container, a collection port to collect the powder from outside of the powder container, a first shutter to open and close the discharge port, a first opening and closing member disposed at one end of the powder container in a longitudinal direction of the powder container to open and close the first shutter, a second shutter to open and close the collection port, and a second opening and closing member disposed at another end of the powder container in the longitudinal direction of the powder container to open and close the second shutter.