Document Storage Boxes, 11 x 2 1/8 x 14 1/2Medium Front Opening Weather resistant, no metal parts to corrode keeps papers clean and dry in dusty, harsh environments High density polyethylene is durable, rustproof and easy to clean Mounts on cabinets, machinery, equipment or walls for fast, easy access to information at point of use Lock holes on medium and large units accept padlocks or zip ties Four built in mounting holes on medium and large sized units provide added mounting options