In a skin integral molded article which is formed by filling the inside of a skin which is formed into a bag shape with a foamed body and molding the foamed body integrally with the skin, an opening through which a foaming raw material is supplied into the skin is formed in the skin, in one side skin and other side skin which are formed with the opening being interposed, the one-side skin is bent into inside the opening, the other-side skin is provided with a part disposed ahead of a part which is bent into inside the opening and is formed to be pliable, and the part which is disposed ahead of the other-side skin part and is formed to be pliable is formed in contact with a leading end part of the one-side skin part which is bent into the opening.