Eye-stopper business cards for dentistry

In 2007 a group of dentists from Balashiha city (Russia) made an order for an original business card for their clinic. We proposed to save simple white business card but add an original envelope. So it became an effective eyestopper advertisement (nowadays widely known online and offline even abroad Russia):

For final personalization each doctor can choose his unique color and material for the envelopes:

Author — Alexey Kondratiev