Made from high-impact plastic. Holds letter size files or papers. 3 pockets for efficient file sorting. Adjustable hangers fit on cubicles from 1¼" to 3½" wide. 13½" width x 4¾" depth x 28" height. The highly functional and stylish Verticalmate product line maximizes your workspace by mounting accessories on cubicle or vertical surfaces. The patented unique Click & Lock® feature utilizes clips with fastening pins that are attached securely to the accessory and then fasten to the fabric panel or other vertical surface.