Pressure-sensitive adhesive tape package

A rectangular pressure-sensitive adhesive tape package accommodating an adhesive tape having a support, and an adhesive agent layer provided on one surface of the support, the pressure-sensitive adhesive tape package comprising a first portion and second portion formed of a release sheet releasably attached to the adhesive agent layer, the first portion and the second portion being layered, a periphery of the layered first portion and second portion being sealed, wherein

• a first sealed portion along a first edge in the pressure-sensitive adhesive tape package, a second sealed portion extending along a second edge adjacent to the first edge and crossing the first sealed portion, and a third sealed portion extending along a third edge adjacent to the first edge and crossing the first sealed portion are spaced from the corresponding edges;
• the adhesive tape is accommodated in the pressure-sensitive adhesive tape package such that the adhesive agent layer faces outwardly in a state where the adhesive tape is folded into a first portion and a second portion;
• the first portion of the adhesive tape is larger than the second portion of the adhesive tape, and has an extending portion extending from the second portion;
• the extending portion is disposed adjacent to the first sealed portion, and temporarily attached with a plurality of temporary attach portions to a portion of the release sheet that is to be the second portion side of the adhesive tape;
• and
• the plurality of the temporary attach portions is disposed along the first sealed portion, the second sealed portion, and the third sealed portion, and spaced from adjacent temporary attach portions.