The stretchable wiring board 10A includes a hot-melt layer 30A, a conductor portion 60 supported by the hot-melt layer 30A, and an overcoat layer 70 covering at least a portion of the conductor portion 60, the conductor portion 60 includes a wiring portion 61 covered with the overcoat layer, a connection portion 62 exposed from the overcoat layer 70, the exposed surface 622 of the connection portion 62 from the overcoat layer 70 is flush with the surface 702 of the overcoat layer 70.
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