Envelopes, Archival, Photo, Unbuffered, with Thumb-cut

Protect your prints and negatives from dust, dirt, fingerprints and rapid swings in the environment.  The exterior bottom and side seams ensure a smooth surface without pressure points against your image. Seams are sealed with a neutral pH adhesive. Mark identifying information on envelope with a soft pencil. Available in 5 sizes to fit prints 4x5”, 4x6”, 5x7”, 6x9” and  8x10”. Package of 100 envelopes.

Archival Quality—Passed the P.A.T. (Photo Activity Test)
White 80# text
pH: 8-8.5
Unbuffered: no alkaline reserve
Lignin: Less than 0.1%
Reducible Sulfur:  Less than .0008%