Black Marble Chess SetPLA Chess is handmade in sunny San Diego, California! This chess set has a sleek, sophisticated appearance, putting a modern twist on a traditional game. PLA Chess uses quality materials. Nero Marquina marble is a high quality, black stone marble extracted from the region of Markina, Basque Country in the North of Spain. It has gained recognition worldwide due to its beautiful, genuine black color. The chessboard is laser engraved with a polygonal