A press kit, often referred to as a media kit in business environments, is a pre-packaged set of promotional materials that provide information about a person, company, organization or cause and which is distributed to members of the media for promotional use. Wikipedia

Set of documents containing press releases, photographs, and background information on an event or creative work Wikidata

A packaged set of promotional and news materials to inform the media about a person, band or product. The kit will often include a CD or demo along with reviews, photos, and background information. The kit is distributed to media sources, such as radio stations and newspapers. Wiktionary

Promotional and news materials. Wiktionary (translation)