To provide a bag which provides a customer with advertisement information and sales information.

The bag has at least one of an advertisement print, an advertisement storage portion, and an electronic record medium storage portion formed on a proper place of the interior or exterior of the rear face of a sheet bearing a specific item on the front face, and an advertisement is provided on a blank space on the rear face. The bag includes a cover covering the washing hung on a hanger. The bag is used, for example, in one of a laundry, a supermarket, a convenience store, and a department store. The specific matter refers to service related to a company business (registered trademark), especially to information of the company, such as a mark or company name.