An ink container comprising: an ink pack configured to store ink; a paper case configured to store the ink pack and to have a shape elongated in one direction; and a cover bonded to an end portion in the one direction of the case, wherein a protection rib is protruded on an outer circumferential face of the cover, and a protruding direction of the protection rib is a direction protruding from the outer circumferential face of the cover, the protection rib covers, from an outside in the one direction, a bonded portion of the end portion of the case and the cover, at least one reinforcement rib (79a, 79b) is protruded on the outer circumferential face of the cover at the outside in the one direction of the protection rib and formed continuously with the protection rib, and a protruding direction of the at least one reinforcement rib (79a, 79b) is a direction protruding from the outer circumferential face of the cover, a protruded height of the at least one reinforcement rib (79a, 79b) with respect to the outer circumferential face of the cover is increased from the outside to an inside in the one direction, the cover includes: an inner cover part bonded to the end portion of the case; and an outer cover part attached to the inner cover part and configured to cover the outside in the one direction of the inner cover part, the protection rib is constituted by a first rib (66a, 66b) protruded on an outer circumferential face of the inner cover part and a second rib (77a, 77b) protruded on an outer circumferential face of the outer cover part, and a protruding direction of the first rib (66a, 66b) is a direction protruding from the outer circumferential face of the inner cover part and a protruding direction of the second rib (77a, 77b) is a direction protruding from the outer circumferential face of the outer cover part, the outer circumferential face of the inner cover part is bonded to an inside face of the case, and the at least one reinforcement rib (79a, 79b) is formed continuously with the second rib (77a, 77b). an ink pack configured to store ink; a paper case configured to store the ink pack and to have a shape elongated in one direction; and a cover bonded to an end portion in the one direction of the case, wherein a protection rib is protruded on an outer circumferential face of the cover, and a protruding direction of the protection rib is a direction protruding from the outer circumferential face of the cover, the protection rib covers, from an outside in the one direction, a bonded portion of the end portion of the case and the cover, at least one reinforcement rib (79a, 79b) is protruded on the outer circumferential face of the cover at the outside in the one direction of the protection rib and formed continuously with the protection rib, and a protruding direction of the at least one reinforcement rib (79a, 79b) is a direction protruding from the outer circumferential face of the cover, a protruded height of the at least one reinforcement rib (79a, 79b) with respect to the outer circumferential face of the cover is increased from the outside to an inside in the one direction, the cover includes: an inner cover part bonded to the end portion of the case; and an outer cover part attached to the inner cover part and configured to cover the outside in the one direction of the inner cover part, an inner cover part bonded to the end portion of the case; and an outer cover part attached to the inner cover part and configured to cover the outside in the one direction of the inner cover part, the protection rib is constituted by a first rib (66a, 66b) protruded on an outer circumferential face of the inner cover part and a second rib (77a, 77b) protruded on an outer circumferential face of the outer cover part, and a protruding direction of the first rib (66a, 66b) is a direction protruding from the outer circumferential face of the inner cover part and a protruding direction of the second rib (77a, 77b) is a direction protruding from the outer circumferential face of the outer cover part, the outer circumferential face of the inner cover part is bonded to an inside face of the case, and the at least one reinforcement rib (79a, 79b) is formed continuously with the second rib (77a, 77b).