Blue Jumbo Double 6 dominoes measure 54 x 28 x 12mm (approx. 2" x 1" x .47") Center spinners for easier mixing. These double 6 dominoes are made of urea, used in the manufacturing of many plastics The set of 28 tiles comes packaged in an elegant black velvet bag. High quality, classic look. One Double Six Set of Dominoes (28 Tiles with Spinners) in Blue with White spots. Tournament Jumbo Size (2" X 1" X 1/2"). (54 x 28 x 12mm) Comes in an Elegant Black Velvet Drawstring Bag.