CEN, the European Committee for Standardization, is continuing its efforts to provide people with the information they need in order to understand European standardization, and be able to use it to their advantage. Due to the great success of the previous editions, CEN is organizing its seventh StandarDays on 27 and 28 October 2009 at the CEN-CENELEC Meeting Centre, Avenue Marnix 17, 1000 Brussels. CEN StandarDays give a clear and structured overview of the European Standardization System, of the CEN products and processes, as well as the benefits of involvement to potential stakeholders. CEN StandarDays is a two day information session consisting of an introductory plenary meeting, which explains the different aspects and tasks of CEN (day 1) and interactive, in-depth workshops (day 2). This structure gives participants the opportunity to familiarize themselves with the overall European Standardization System (day 1) and then take advantage of the CEN expertise to obtain further clarification and explanations (day 2). CEN StandarDays are aimed at all actors interested in the European standardization system: industry, consumers, administrations and government, European institutions, research centres, national standards institutes, etc.