Branded Keyrings– A Useful, Economical Promotional Product Promotional keyrings are a fantastic branded item for generating brand awareness. When a promotional keyring is placed onto a set of keys, it’s highly unlikely that it will be taken off, meaning brand awareness can be created wherever these keys go! Promotional keyrings are also a very cost-effective promotional product to use. The low cost enables you to target more of the audience you wish to focus on.