Folding Dice Trays featuring popular Dungeons & Dragons artwork. These trays are no bigger than a sheet of paper (8.5 in. x 11 in.) when flat, and utilize small magnets in each corner to easily pop up walls to keep dice under control when rolling - no bulky clasps or snaps needed! Store your dice rolling tray easily in your backpack or character folio. The Foldable Tray of Rolling is reversible! the Foldable Tray of Rolling is the perfect addition to any gaming dungeon.