Archive Filing Box completely acid-free for long term archival storage of documents - Preservation Equipment Ltd
XM-ZHHY Plastic File Box A4 - Pack of 3 Waterproof Portable Document Folders with Snaps and Lids for 31×23 cm Paper, Transparent Storage Organizer Cases for Magazines, Office Supplies, School : Amazon.co.uk:
5 x A4 Filing Archive Cardboard Storage Boxes 15 x 12 x 9" | eBay