Polished Black and Green Marble Chessboard with green felted bottom. Polished Black and Green Marble Chess Pieces with green felted bottoms. Board measures 15 1/2" x 15 1/2" x 5/8" with 1 3/4" squares. The king is 3 1/2" tall with a 1 1/4" base. The board is complemented by opposing black and green pieces, also made from polished marble.