Using this deck box is easy. First, place your deck in the main compartment of the box. Then, put the Commander or top card in the Slide Card Case. You can leave the case attached to the box for easy deck identification or detach it during the game. When it comes to maintenance, keep the box away from direct sunlight to prevent damage from UV rays. Wipe it with a soft, dry cloth if it gets dirty. And be gentle when detaching and re - attaching the Slide Card Case to avoid any breakage.