The 5 x 7" NP57 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 NP57 Paper Envelopes.
Made of white unbuffered acid- and lignin-free 7 pt. card stock
Neutral-pH adhesive is used to construct the envelope
PAT passed, which makes it suitable for long-term storage
Thumb-cut for easy access to the negative or print
UPC: 029368690302