원래 이름 기록: TOKAI CHEMICAL INDUSTRIES, LTD.

An interior material is composed of: a covering material formed of a resin material and having a front surface which is a design surface and a back surface which is a fixed surface; and a base material to which the fixed surface of the covering material is fixed. An outer stitch is formed on the design surface of the covering material. A protrusion is formed along the outer stitch on the fixed surface. A hole with which the protrusion is engageable is formed at the base material. The covering material is fixed to the base material by engaging the protrusion with the hole.