Abstract: A slat for a vertical blind is disclosed. The slat comprises a backing, an end piece, and a decorative insert. The side flange is disposed along each side edge of the backing, and extends inwardly over a front side of the backing. An end flange is similarly integrally connected to the end piece and extends inwardly over an end edge of the backing. An opaque strip is disposed along each side flange, and an opaque strip is disposed along the end flange. A decorative insert is held against the backing by the flanges.