Provided is a percutaneous absorption agent delivery device (2) that is equipped with: a solvent-impermeable cover film (10) that has a first layer (11) and a second layer (12), which are integrally continuous via a first fold (13) and are mutually superimposed, wherein a non-seal region (15) and a seal region (14) are formed between the first layer and the second layer, the non-seal region (15) is disposed along the first fold (13), the seal region (14) is disposed so as to surround the outer peripheral section of the non-seal region except for the section along the first fold, and an endless cut portion (17) forming the non-seal region (15) is formed in the cover film (10)； a percutaneous absorption agent carrying member (20) that is disposed in the non-seal region (15) between the first layer (11) and the second layer (12), and is fixed to the cover film (10) on the inner side of the cut portion (17)； and an adhesive sheet (30) that is detachably affixed to the outer surface of the cover film.
