High Polished Black Color Flat River Pebble Stone is a type of natural stone that has been carefully polished to achieve a smooth and shiny surface. These pebble stones are black in color and have a flat shape, giving them a sleek appearance. They are often used for various decorative purposes, such as landscaping, pathway construction, and indoor or outdoor flooring. The high polish and uniform color of these pebble stones add a touch of elegance and sophistication to any space.