A parallel pair cable includes a pair of insulated electric wires aligned in parallel, a shield tape longitudinally wrapped around the pair of insulated electric wires, a drain wire disposed inside the shield tape, and an insulating tape wrapped on an outer side of the shield tape. The shield tape has a metal layer provided on an inner surface thereof. The drain wire is provided to electrically contact the metal layer. A surface of the metal layer is provided with an adhesion surface having an adhesive applied thereto. The adhesion surface and the pair of insulated electric wires are adhered to each other. An area of the adhesion surface is 30% to 70% of a surface area of the metal layer.