The Checkerboard Business Card Case with its allusions to strategy and deep thinking will add to your air of perception and analytical strength. The business card case is made of silver-colored aluminum with an acrylic front cover design, a checkerboard of black and white squares running diagonally to the card case itself. Up to 15 cards can be kept in mint condition in this slim, compact case, measuring just 3 1/2 by 2 1/2 inches.