A toner container comprising: an elongated container main body configured to store toner in an inside thereof; a toner discharge port formed in a wall surface of the container main body and configured to discharge the toner stored in the container main body to outside; a first rotation member rotatably provided in the container main body, extending in a depth direction of the container main body, and configured to convey the toner stored in the container main body toward the toner discharge port, the depth direction being perpendicular to a longitudinal direction of the container main body; a support plate provided in the container main body and disposed in such a way as to face the wall surface; and an opening and closing member provided in a gap formed between the wall surface and the support plate and supported by the support plate in such a way as to be able to move between a closing position of closing the toner discharge port and an opening position of opening the toner discharge port, characterized in that the support plate includes: a first opening portion formed at a position corresponding to the toner discharge port and larger than the toner discharge port in size; a film member attached to the support plate in such a way as to cover the first opening portion, and including a second opening portion formed at a position corresponding to the toner discharge port, wherein the second opening portion is formed in a same size as the toner discharge port, the opening and closing member includes: a third opening portion formed in the same size as the toner discharge port and the second opening portion, and disposed between the toner discharge port and the second opening portion when the opening and closing member is at the opening position; and a frame edge portion projecting from a peripheral edge portion of the third opening portion toward the support plate, and the support plate supports the opening and closing member such that a projection end of the frame edge portion slides on a surface of the film member as the opening and closing member moves from the opening position to the closing position. an elongated container main body configured to store toner in an inside thereof; a toner discharge port formed in a wall surface of the container main body and configured to discharge the toner stored in the container main body to outside; a first rotation member rotatably provided in the container main body, extending in a depth direction of the container main body, and configured to convey the toner stored in the container main body toward the toner discharge port, the depth direction being perpendicular to a longitudinal direction of the container main body; a support plate provided in the container main body and disposed in such a way as to face the wall surface; and an opening and closing member provided in a gap formed between the wall surface and the support plate and supported by the support plate in such a way as to be able to move between a closing position of closing the toner discharge port and an opening position of opening the toner discharge port, characterized in that the support plate includes: a first opening portion formed at a position corresponding to the toner discharge port and larger than the toner discharge port in size; a film member attached to the support plate in such a way as to cover the first opening portion, and including a second opening portion formed at a position corresponding to the toner discharge port, wherein a first opening portion formed at a position corresponding to the toner discharge port and larger than the toner discharge port in size; a film member attached to the support plate in such a way as to cover the first opening portion, and including a second opening portion formed at a position corresponding to the toner discharge port, wherein the second opening portion is formed in a same size as the toner discharge port, the opening and closing member includes: a third opening portion formed in the same size as the toner discharge port and the second opening portion, and disposed between the toner discharge port and the second opening portion when the opening and closing member is at the opening position; and a frame edge portion projecting from a peripheral edge portion of the third opening portion toward the support plate, and a third opening portion formed in the same size as the toner discharge port and the second opening portion, and disposed between the toner discharge port and the second opening portion when the opening and closing member is at the opening position; and a frame edge portion projecting from a peripheral edge portion of the third opening portion toward the support plate, and the support plate supports the opening and closing member such that a projection end of the frame edge portion slides on a surface of the film member as the opening and closing member moves from the opening position to the closing position.