Marion & Co. jumbo tournament professional size domino measures 56x28x12mm (2.2"x1.2"x,47") Marion & Co. White Double 9 set of dominoes has 55 tiles and is made of urea, a raw material used for the manufactuirng of many plastics. Double 9 domino set comes smartly boxed in a luxurious velvet case. Jumbo size dominoes feel perfect in small or large hands. Their black spots on the white tile make them easy to read. These dominoes come with a center spinner for easier mixing. One Double Nine Set of Dominoes (55 Tiles with Spinners) in White Color with Black pips. Tournament Jumbo Size (2" X 1" X 1/2"). (56 x 28 x 12mm) Set comes in an Elegant Black Velvet Box.