A magnetic tape cartridge includes: a magnetic tape on which data is recorded; and a recording medium other than the magnetic tape, and on which a keyword for searching the data recorded on the magnetic tape is recorded.

A magnetic tape cartridge includes: a magnetic tape on which data is recorded; and a recording medium other than the magnetic tape, and on which a keyword for searching the data recorded on the magnetic tape is recorded.

A package assembly including a first layer having a bottom surface and a top surface, and at least two panels coupled to the top surface of the first layer such that a first panel is disposed along a right edge of the first layer and the second panel is disposed along a left edge of the first layer, the first panel being pivotally engaged to the second panel along an axis, the at least two panels having formed therein a recess.