Recording tape cartridge

A recording tape cartridge comprising:

• a case having a substantially boxed shape and rotatably accommodating a reel around which a recording tape is wound, the case comprising an upper case and a lower case;
• a recessed portion formed on an upper surface of the upper case;
• and
• a pair of stacking ribs, provided protrudingly on a lower surface of the lower case, for engaging with a recessed portion when a plurality of the recording tape cartridges is stacked,
• wherein a protruding portion, which defines a label region to which a label is adhered, is formed at a position in the recessed portion, which position is between a pair of the stacking ribs when the plurality of the recording tape cartridges is stacked.

A recording tape cartridge comprising:

• a case having a substantially boxed shape and rotatably accommodating a reel around which a recording tape is wound, the case comprising an upper case and a lower case;
• a recessed portion formed on an upper surface of the upper case;
• and
• a pair of stacking ribs protrudingly provided on a lower surface of the lower case;
• wherein a pair of stacking ribs of another recording tape cartridge, which has the same structure as the recording tape cartridge, engage the recessed portion of the recording tape cartridge when the other recording tape cartridge is stacked thereon, and
• a protruding portion, which defines a label region to which a label is adhered, is formed at a position in the recessed portion, which position is between the pair of the stacking ribs of the other recording tape cartridge when the other recording tape cartridge is stacked on the recording tape cartridge.