Buffered Perma/Dur 4×5 Negative Envelopes with Thumb Cut


Archival storage for 4×5 negatives and prints. Constructed with a neutral pH adhesive. The paper is buffered with a 3% calcium carbonate buffer. These are safe for the storage of photographic material.

PAT passed (Photographic Activity Testing)


Additional information

Weight 0.1 lbs
Dimensions 5.5 × 4.5 × 1 in