Just decided to share, as so many others have on this site. Made these plexiglass "Handgun Holders" many years ago. No problems with moisture, chemical contact or abrasions from use. They allow me to easily see and handle my Handguns. The metal cabinets are designed/made for storage of large maps/plans etc. I use them for Handguns, Knives, Bayonets and Misc. They work great when proper "padding/wrapping" is used. The boxes for those Handguns are stored in those "plastic" cases which I believe are waterproof.