"Mail order" is a sales method in which customers order a product or service using catalogs, telephone, internet or other means of remote communication. In this method, products are delivered directly to the buyer by mail or through cargo companies. Mail order system has become a part of e-commerce, especially with the widespread use of the internet, and has become a popular shopping method worldwide. Customers can access a wide range of products and shop without leaving their homes or workplaces. This method provides a great convenience, especially for people living in remote or hard-to-reach places.