The file comprises ephemera from Lee Waters' campaign to be re-elected as Member of the Senedd for Llanelli yn 2021. Waters won with a majority of 5,675. It was the first time a sitting Am or MS for Llanelli had been re-elected for the constituency.

Comprises manifestos, election addresses, circulars and leaflets, posters, etc. circulated during the third election campaign to the Welsh Parliament/Senedd Cymru, 2021