You'll go ga-ga over these Go buttons! Made from heavy, durable hard plastic, these buttons in black and white will nicely dress up your game set for any occasion. At 21 mm diameter, these handsome game pieces make a terrific companion to the Burlwood Go Bowls to create a dinstinct and elegant game set. (Please note that these game buttons are packed in clear plastic bags.) Type: Replacement Parts & Upgrades Gender: Unisex Age: Child,Teen,Adult