Faux Black Dragon Hide - Has the look and feel reminiscent of real wyrm skin. Luxurious Velvet Playing Surface - Caresses your dice and helps prevent rogue rolls and role-play-induced injuries1.125 inch Deep Arena - Cast your dice into a gladiatorial chamber built for heroic battleUpper Deck 4 Row Dice Showcase is 0.75 inches deep designed to hold a standard set of 7 per row - Displays your prized polyhedrals while making them easily accessible for quick saves, critical hit rolls, and initiative victoriesDual purpose rolling tray and storage. Holds up to 100 standard polyhedral dice. Lid comes off and can be used as another rolling trayRectangle shape measures 11.25 inches long, 1.6 inches tall with lid on. Inside arena measures 6.25" x 5.25" wide and 4 row holding area rows measure just under 1 inch wide x 5.25 long