These refills are made from inert, clear polypropylene and are safe and suitable for long-term archival storage of documents. They can be used for a variety of documents, certificates, census printouts, will copies, family trees etc. and have easy access opening along the short side of the refill against the ring mechanism, enabling contents to be held securely whilst allowing easy removal without opening the ring mechanism in the binder. This refill fits the Geneological Organiser, the Deluxe Certificate Album and the A3 Landscape Album.