Cut to 413 x 413mm, this transparent polyester pocket suits square prints up to 16.25 x 16.25 inches. One of a graded range of pocket sizes covering everything from slides to full-sheet plans.

Polyester allows an item to be read and examined without being handled, which is why many custodians prefer film enclosures for frequently consulted material. Keep enclosed material in controlled conditions, as relative humidity fluctuating above 65% can cause ferrotyping.