This is a Color Numerical Professional White Tiles Double 12 Dominoes Set that comes in a black and red vinyl snap case. Instead of pips or dots to keep points, these have the numbers on them as you can see if you click on the image. Professional Tiles are the middle size, bigger than standard but not Jumbo, measuring about 1 x 2 x 3/8 inches. This case makes storage and transport quick and easy.