120 Negative Strip Protectors for
4-Frame 120 Negative Strips
2-9/16 x 10-1/16"   4 mil Polyester

Use these Archival polyester (Mylar) sleeves for storing 120 Negative Strips.  They are open on two short sides and have a 5/8" flap on one long side. Polyester is approved by the Library of Congress as safe for indefinite-term storage. Our material has passed the Photo Activity Test (P.A.T.). Use in acid-free storage box XNEGTAN.

Archival Paper Envelope for 35 mm & 120 Negative Strips
Made of 80-lb. acid-free and lignin-free paper - Unbuffered.
10-1/8 x 2-1/2"

These envelopes side seams are sealed with pH-neutral adhesive. The long fold-over flap serves as a record index.

Archival Paper Envelope for 35 mm & 120 Negative Strips
Made of  10 Pt. Folder Stock.
Acid-free and lignin-free paper - Unbuffered.
10-1/4 x 3-9/16"

These envelopes have passed the Photo-Activity-Tested test certifying that they are safe for the long-term storage of negatives and slides. Each tabbed envelope stores 12 photo strips alone, or six strips in photo sleeves.