Go Game Set with Folding Dark Cherry Veneer, Rosewood Go Board and Melamine Stones Quality go board; the folding rosewood, dark cherry veneer table board (goban) has a thickness of 0.8 inches (2 centimeters); it has a 19x19 playing field and is the size of the standard Japanese board (goban): each grid measures (2.2 x 2.3 centimeters) a Quality stones; 181 black and 180 white stones are included; each stone is double convex measuring approximately 0.35 x 0.85 inches (8.8 x 22 millimeters), size 32; the go stones are made from melamine, an exceptionally durable compound commonly used for structures that require strength and durability, such as kitchen counters and industrial grade appliances; like Yunzi stones, these melamine stones have a satisfying heft and snap to them Convenient storage for stones; the stones are stored in felt trays that fit nicely inside the folded board for easy storage Booklet on how to play go, "The Way to Go" by Karl Baker is included in this set to explain essential rules and strategies of the classic game of go 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 When Flat: 18.9 x 17.7 x 0.8 inches (48 x 45 x 2 centimeters) Stone: 0.35 x 0.85 inches (8.8 x 22 millimeters), size 32