This wooden chess board game is made of Thuya wood. It is found in the Thuya trees grown in Essaouira, a city in Morocco. This fragrant wood smells good. The exotic tree of Thuya has been used for centuries by artisans of the Moroccan timber industry. Thuya wood "magnifiers", knotty growths of the trunk or branches, produce beautiful and interesting wood grains that make each piece truly unique. And the chess pieces come with. size 23*23