Yellow Mountain Imports Go Game Set with Bamboo Go Board (2 Inches Thick), Double Convex Melamine Stones and Bamboo Bowls One 2″ (50mm) thick bamboo cast wooden table board (goban) with a protecting felt sleeve. Board is Chinese same old size (23mm x 25mm grids) and measures 18.five” x 17.3″ x 2″ (470mm x 440mm x 50mm). Enjoying field is reversible 19×19 and 13×13. 181 black and 180 white melamine stones. 9mm (Size 32.five) double convex stones measure 9mm tall and 22mm wide (approximately 0.36″ x 0.87″). Two bamboo bowls (gosu) that measure 6.3″ x 4.3″ (160mm x 110mm). Bowls are compatible stones as much as 10.4mm (Size 37). Includes vinyl stones and bowls carrier and securing bowl straps. Booklet on the best way to play Go, “The Strategy to Go”, by Karl Baker.