This high quality square magnetic tray is perfect for your board and board games. It is compact and has very powerful built-in magnets, so you can mount it almost as if by magic in a few seconds. The Dice Tray lies completely flat, so you can store it in a variety of play boxes. NO CLAMPS OR FASTENERS - Your game components will be completely safe when you store the tray in the box. The Magnetic Dice Tray is completely reversible. Just flip it over to enjoy both designs.