Leaflet, brochure, pamphlet, banner

Pamphlet

a very thin, unbound book made up of sheets of paper stapled or stitched together, a brief publication generally having a paper cover, which gives information about something published in this form, usually on some topic of current interest.​

​is a little printed book or a piece of paper containing information about a particular subject. It is usually folded but not stitched sheet of paper for distribution, usually free and containing advertising material or information about a political party, charity, etc.

​•A brochure is a magazine or thin book with pictures that gives you information about a product or service.

•a pamphlet, esp. one advertising or promoting something