120 Negative Strip Protectors.
2-9/16 x 10-1/16".
Made from 4 mil Archival Polyester.
Holds both 3 & 4-frame 120 Negative Strips. 1/4" lip.

120 Negative Strip Protectors for
3 or 4-Frame 120 Negative Strips
2-9/16 x 10-1/16"   4 mil Polyester (Mylar)
Open on three sides. Come with a 1/4" lip on one long edge.

Our  Polyester material is approved by the Library of Congress as safe for indefinite storage and has passed the Photo Activity Test (P.A.T.). Use in acid-free storage box XNEGTAN.