Sheet feeding cartridge and image forming apparatus including the same

A sheet feeding cartridge attached to or detached from a cartridge storing part formed between a pair of side face covers which constitute a part of an exterior cover of an apparatus main body, the sheet feeding cartridge comprising:

• a cartridge base on which a sheet is stacked, the cartridge base being attachable to or detachable from the cartridge storing part;
• a cartridge cover attached to a front face of the cartridge base on an upstream side in an attachment direction so as to be slidable in a width direction perpendicular to the attachment direction;
• a first positioning part configured to position the cartridge base to the cartridge storing part;
• and
• a second positioning part configured to position the cartridge cover with respect to the side face covers in the width direction perpendicular to the attachment direction.