Tuck Lock™ Fractional Currency Sleeve. 5-3/8 x 3-1/4". 4 mil Archival Polyester. One inch beaded flap on one long edge; Open on two short sides.

Fractional Currency Sleeves.
5-3/8 x 3-1/4". 4 mil Archival Polyester.
Tuck Lock™ one inch beaded flap on one long edge.
Open on two short sides.

Currency Holders are made from crystal-clear, 4 mil polyester (Mylar).
This material is approved for Indefinite Storage (hundreds of years) by the Library of Congress.