Bridge-Partner(TM) is easy to use, just open the lid and the bidding cards are already in place. The cards are lacquered for strength and long wear. Bridge-Partner(TM) boxes are stackable to facilitate storage and transportation. They can be free standing or easily installed to hang from the side of a wooden table. This gives you more space on the playing surface. Quantity discounts: 10-24 - $49.95 per set of 4; 25 or more - $46.95 per set of 4.