Doc-Box boxes are perfect to present permits, warning, and almost any kind of document on a construction job site. They are great Weather-Proof Building Permit Boxes, Bulletin Boards, Inspector Boxes, Permit Protection, Job Site Drawing Boxes, Contractors Permit Boxes, and Document Protectors. Mount any of these on your own post, tree, or building, get in compliance, and add a professional look all in one motion. These are the best quality products that we could find for this application. EngineerSupply is a full-line factory authorized Doc-Box dealer.