product samples from vendors became a common sight at Australian agricultural shows, where they were given away for free or at a small cost. These so-called "sample bags" gradually evolved into the product branded showbags still popular today in the country. In 1987 C. A. Courtesy became the first demonstration company to secure exclusivity with a retailer. Other samples It is also possible to purchase products in small "trial size" containers. This is common with toiletries such as shampoo, which are useful for vacations or other travel, where large bottles or other containers would be impractical (or more recently, not permitted for air travel). These are also often provided in hotel and motel rooms for the guests. Samples may also be loaned to the customer if they are too valuable to be given for free, such as samples of a countertop or of carpet to be used for remodeling. Sometimes companies in b2b market will offer sample of data or service for free before engaging business relationship. Other type of samples may include industrial samples, such as in the plastic industry, provided to companies for trial molding to see if the selected material is suitable for manufacturing the application (testing). Such samples may or may not be free of charge. See also International Convention to Facilitate the Importation of Commercial Samples and Advertising Material Sample (material) Mailing list Test drive Shareware References Sales promotion Free goods and services