Yellow Mountain Imports Bamboo Go Table Board, Goban, 0.8 of an Inch Thick Bamboo board; this board is made of solid strips of bamboo, pressed together one layer at a time; not only is bamboo beautiful, but it is also durable, environmentally friendly and sustainable; wood grain may vary slightly from photos; the booklet, "The Way to Go", by Karl Baker is included to help the beginner learn the rules and strategy of this classic game Chinese standard size; grid size of this board is 23 x 25 millimeters, and the board measures 18.5 x 17.3 x 0.8 inches (47 x 44 x 2 centimeters) Reversible; 19x19 playing field on one side and a 13x13 playing field on the other; the 13x13 playing field keeps your skills sharp by allowing you to play shorter games when you don't have time for a full length one; you will appreciate the informality and convenience of the smaller playing field; use the 19x19 playing field when you have the time to fully immerse yourself into a standard game Stones are sold separately; stones are not included; please see our other listings for go stones 30 day return policy; here, at Yellow Mountain Imports, we want you to be satisfied with your purchase; you are backed by our 30 day no questions asked money back guarantee so you can buy with confidence Board: 18.5 x 17.3 x 0.8 inches (47 x 44 x 2 centimeters)