It is made of 300g paper. Each deck comes in a custom printing box, 54 cards per deck. Our playing cards can be customized with your any designs. Not only is the back of each card printed with full color design but also the front of each card. Prices include full color printing on cards and box. 3 1/2″ L x 2 1/4″ W. Imprint size can be 3 1/2″ x 2 1/4″. Pricing include shipping to ca. QTY over 5K by ocean. Thanks for your inquiry.