Soft black garment leather is very black and has a shiny-satin surface.  5 pound box, delivered to any USA address, for $25, or get ten pounds for $45, delivered to the 48 contiguous United States.   2.5 oz/sq ft or 1.0 mm in thickness.  Pieces range in size from your hand up to about 1.5 square feet.  Very nice leather.  Thickness is 3 oz or 1.2mm.