Acid free card stock with NO printing .
Archival quality crystal clear film, 100% safe non-smear ink.
Cheaper than glassine.
Color code by country, topic, price or any method that fits your needs.
Card: 4 1/4 x 2 3/4"
Pocket: 3 5/8 x 2"
Proudly made in the U.S.A.