This home office chair comes with a curvaceous structure upholstered with a black leather effect fabric, stitched in a rhombus pattern, and placed on a black sturdy baseLeather effect upholstery This home office chair comes with a curvaceous structure upholstered with a black leather effect fabric, stitched in a rhombus pattern, and placed on a white sturdy base. This home office chair comes with a curvaceous structure upholstered with a dark grey leather effect fabric, stitched in a rhombus pattern, and placed on a black sturdy base. This home office chair comes with a curvaceous structure upholstered with grey leather effect fabric, stitched in a rhombus pattern, and placed on a white sturdy base.