File folders, insert coverings

Klug file folders with central grooving, are made of 240 gsm archival board. Available in sizes from A4 to (and including) A0. 

Name Info.
A4 archive folder Size: 318 x 230 mm; made of 240 gsm archive board.
A3 archive folder Size: 425 x 320 mm; made of 240 gsm archive board.
Folio archive folder Size: 345 x 230 mm; made of 240 gsm archive board.
Folio+ archive folder Size: 395 x 250 mm; made of 240 gsm archive board.