Print File NP45 Paper Envelopes (4 x 5", 100-Pack)

The 4 x 5" NP45 Paper Envelopes from Print File are a good solution for storing and preserving photographs and negatives, and with a thumb-cut opening at the top of each envelope, acessing your contents is a breeze.

Constructed from an unbuffered white 7 pt. card stock, which is acid- and lignin-free, the envelopes are put together using a Neutral pH adhesive. The envelopes have passed the Photographic Activity Test (PAT), making them suitable for long-term storage. Corresponding FlipTop Boxes and FoldFlap sleeves are compatible with the NP45 Paper Envelopes.