48Xtreme is the newest innovative creation in the business card industry. 48Xtreme Silk Cards are three layers of our 16X Silk Cards. This type of business card is 48 points thick. Die-cutting the top and/or bottom layers will give this card a 3D feature. Adding Spot UV, foil, etc. will bring out the ultimate creative designs! Remember, our silk products can be highly customized using foil, Spot UV, embossing, variable data, and many many more options.