Abstract: A cover material for a vehicle seat sheet is provided. The cover material for a vehicle seat sheet includes a first fabric, a second fabric, and a decorative piping member. The decorative piping member includes an approximately rectangular seam margin part, a tubular part connected to a widthwise end part of the seam margin part, and a core part arranged in the tubular part in an inserted state. The decorative piping member includes a warp and a weft that both form the tubular part and the seam margin part, and an insertion thread that forms the core part. These are integrally woven with a loom. The seam margin part of the decorative piping member is sandwiched by and between an end part of the first fabric and an end part of the second fabric, and these parts are sewed together in a mutually overlapped state.

Abstract: A cover material for a vehicle seat sheet can be fit on a seat with the center position of the ornamental part aligned with a predetermined center position of the seat. The cover material includes a first fabric, a second fabric, and a small-width woven fabric. The small-width woven fabric includes an ornamental part of an approximately rectangular shape, a first seam allowance part of an approximately rectangular shape connected one of widthwise edges of the ornamental part, and a second seam allowance part of an approximately rectangular shape connected to the other of the widthwise edges of the ornamental part. An end part of the first fabric is overlapped on and seamed to the first seam allowance part of the small-width woven fabric. An end part of the second fabric is overlapped on and seamed to the second seam allowance part of the small-width woven fabric.

Abstract: A cover material for a vehicle seat sheet is provided. The cover material for a vehicle seat sheet includes a first fabric, a second fabric, and a decorative piping member. The decorative piping member includes an approximately rectangular seam margin part, a tubular part connected to a widthwise end part of the seam margin part, and a core part arranged in the tubular part in an inserted state. The decorative piping member includes a warp and a weft that both form the tubular part and the seam margin part, and an insertion thread that forms the core part. These are integrally woven with a loom. The seam margin part of the decorative piping member is sandwiched by and between an end part of the first fabric and an end part of the second fabric, and these parts are sewed together in a mutually overlapped state.