Dimple: These Casino Dice Have A Small Dimple Pressed Into Them After Use In The Casino To Prevent Them From Being Brought Back Into The Casino. Size: 5, 19Mm, Six-Sided, Razor Edged With Non-Matching Serial Numbers. Random Assortment: Dice Are Varied As To Which Casino They Come From. You May Get Multiple Die From The Same Casino.. Variety: These