Standard Tile Double 12 Domino Set in a black vinyl case. This is a great price for a set of standard tiles, Double 12 uses 91 tiles and 1092 pips. As you can see in the picture, the case is a perfect size for storage and transport of your dominoes so you can play just about anywhere! Standard dominoes are the smallest, measuring 50mm x 25 mm x 7.8mm.