Dominoe Trays Wood _ Set of 4 Set of Four (4) Wood Dominoe Trays with three channels per tray. Dominoes for Illustrative purposes only. Dominoes NOT included. Perfect for holding dominoes standing straight up or on sides. Accomodate up to 15 plus dominoes. Great for all Dominoe Games including Mexican Train. Channels measure 3/8 inch thick (approx.1 cm). Fits most dominoes. (Will not fit Tournament Dominoes.) Take a measure of your dominoe's thickness. Slight angle to each channel. So dominoes lean back at a comfortable viewing angle. Outer packaging may vary.