Lineco/University Products Clamshell Storage Box, 16" x 20"

This archival presentation and storage boxes' clamshell design allows easy access to add or remove papers, prints or art. Stack multiple boxes without crushing or warping. It is acid-free and lignin-free, protecting your valuable documents for years to come.

Lineco/University Products Clamshell Storage Box, 16" x 20" Thumb cutout that facilitates easy opening Metal corners for additional structural support 1.75" depth