WE Games Ultimate Travel Go Set with Full-Size 19.75 inch Silicone GO Board & Convex Stones Made of Premium ABS plastic 100% Silicone Go Board - Full Size - Measures 19.75 x 19.75 inches Board Folds & Unfolds without Creases and Non-slip Board Keeps Pieces from Sliding Convex Stones Made of Premium ABS plastic, Includes 181 Black & 180 White Stones: diameter 21.8mm, thickness 6.2mm Black Canvas Bag Included - Board and stones fit inside