Blick Archival Storage Box - 30" x 22" x 2", Gray : Amazon.co.uk: Home & Kitchen
Lineco Folio Storage Box, Clamshell Design with Metal Edge. 9.5x12.5x1.75, Archival Boxboard, Organize and Protect Photos, Prints, Cards, Magazines, Documents, Art, Ephemera, Family Records, Tan : Amazon.co.uk: Home & Kitchen
Mat Board Center, Black Archival Photo Storage Box with 12 Acid-Free Envelopes for Storing Prints, Negative, Films, Acid-Free File Preservation Box Holds Up To 1000 3.5"x5", or 4"x6" Pictures : Amazon.co.uk: Home
The best photo storage boxes for 2023 | Popular Photography
Slide storage box and case for 35mm slides - Preservation Equipment Ltd