This is a Color Dot Professional Tiles Double 12 Dominoes Set. The white Dominoes, or tiles, have a very unique Locomotive Engraving, as you can see if you click on the image for a closer look. Double 12 has 91 tiles and 1092 pips, or points, all in assorted coloring. This set come in a nice vinyl snap case for quick and easy storage and transport. Dimensions: 8-3/4" x 7" x 1-3/4"