This Chinese mah jong set is made from elm wood, bamboo, and plastic. The mah jong tiles are each 1 inch long and 1/2 of an inch wide. The backs of the tiles are made from bamboo, and the front of the tiles are plastic. If you would prefer plastic tiles, let us know in the comments section when you place your order, and we can exchange the tiles for no fee. This mah jong set is made from elm wood, and there are birds and flowers carved and painted on the front of the box. The box is 14 inches long, 4 inches tall, and 7 inches wide. There are mah jong racks made from elm wood included with this mah jong set. There are 144 pieces in this set. This Chinese mah jong set was made in China.