250 Business Cards Printing at Infowerk. Our single-sided business cards are printed on premium 350 gsm cardstock on state-of-the-art 4-color presses. Whether single or multi-sided, we offer options of different thicknesses of paper or cardstock, as well as various finishes. With rounded corners you extend the visual impression. At Infowerk, you can quickly and easily upload your own design or create your business cards from thousands of stylish design templates. Get printed by the printing professionals - on high-quality papers for your individual card. Printing business cards with Infowerk is fun.