Yellow Mountain Imports Shin Kaya Go Table Board (Goban) - 2.4 Inches Thick - Japanese Standard Size Supreme Shin Kaya Wood: Shin Kaya is the Japanese name of this wood and translates to "alternative kaya"; shin kaya has the look and feel of the highly revered kaya wood, but it is much less expensive. Boards made of kaya are superior in their color, brightness, and considered ideally suited to the shell and slate stones. Japanese Standard Size: This board is Japanese standard size meaning the grids are 21.5 x 23 millimeters; the board's dimensions are 18.1 x 16.9 x 2.4 inches (46 x 43 x 6 centimeters); it has a 19x19 playing field. Durable & Solid Table Board: This board is made of 2-4 solid pieces of wood joined together to prevent warping over time; because of the nature of wood, the grain will be similar but not identical to the images you see in this product listing. Weve Got You Covered: "The Way to Go" by Karl Baker is included in this set to explain essential rules and strategies of the classic game of Go. 100% Satisfaction Guaranteed: If for any reason youre unsatisfied with this Shin Kaya Go Table Board, please contact us within 30 days for a refund.