Maximize work space and manage workflow with this convenient shelf. Unique system moves essentials off the desktop, yet still keeps everything at your fingertips. Patented ViperPin technology attaches to any tackable surface for secure vertical organization. The rest of the shelf is made of plastic. This shelf adds surface space in your cubicle for display or storage of office accessories, small manuals and more. Shelf supports up to 5 lb. Surface area is 4-3/4" x 17-3/4". Plastic contains a high percentage of recycled materials.