Marion Domino Double Six Orange-White Spots Jumbo Tournament Professional Size With Spinners In Elegant Black Velvet BagThis set of double six dominoes are jumbo tournament professional size. They measure 54 x 27 x 12mm. (approx 2'' x 1 '' x . 47''). They feel perfect in small or large hands and are made of high density resin, a material with outstanding strength, stiffness and optical clarity. They feature a center spinner for easy mixing and come beautifully packaged in a striking dovetailed sheesham wood box.