One of the most effective and least costly marketing tools you could ever use is color business cards. In view of its importance and effectiveness, you should always take time to ensure they get printed with the exact details which you wanted on them. Otherwise, it will lose its effectiveness and you would end up wasting your hard earned money. You need to make sure it contains all important information like your company or business name, your company's logo, your name and designation, address, e-mail, telephone, fax numbers and anything else you would want on it.