Silver Age

Made from 1.42 mil thick Mylar D®. Dimensions are width x height plus flap. Flap can be folded over, tucked in, or taped closed. The 1.42 mil sleeves are 40% thicker than 1 mil thick bags. 

Made from 2 mil thick Mylar D®. Dimensions are width x height plus flap. Flap can be folded over, tucked in, or taped closed. The 2 mil sleeves are twice the thickness and 4 times the protection of 1 mil thick bags. The most popular Mylar sleeve.

Made from 4 mil thick Mylar D®. Dimensions are width x height plus flap. Flap can be folded over, tucked in, or taped closed.

Formerly "Snugs" Made from 4 mil thick Mylar D®. Dimensions are width x height plus 7/8" non foldable flaps unless otherwise indicated.

24 mil, acid-free, 3% buffered backing board. Genuine acid-free, cellular fiber. Meets strict U.S. Government standards for archival storage. 3% calcium carbonate buffer throughout, maintains a neutral pH. White on both sides. The highest quality...

42PT or 35PT, acid-free, 3% buffered backing board. Genuine acid-free, cellular fiber. Meets strict U.S. Government standards for archival storage. 3% calcium carbonate buffer throughout, maintains a neutral pH. One side white. The highest quality...