In the section of travel agency, sales materials are the most essential tools to attract the customers and promote sales as sales material such as brochure and web page transfer intangible into tangible product and create image for the customers to picture. It is very
important for the sales materials to be updated as the time pass by for example the brochure of summer trip should be launched before the trip start and remove when the trip is sold out or out of date. The window displays of the sales materials are also important as they should