The Ergo M-Pro Notebook Stand is a compact thin and lightweight ergonomic notebook stand with multiple tilt positions for different screen heights. When not in use the Ergo M-Pro Notebook Stand will collapse into a relatively flat product which can then be packed away easily for extended stays out of the office or indeed to take with you on the road Supports all PC and Mac Notebooks with screens up to 17 . Must be used in conjunction with a separate keyboard . Document holder for paperwork . Lightweight and foldable for maximum portability . Improves cooling and heat dissipation of the notebook . Dimensions 31x23x1cm (folded) 31x23x(12-20)cm (in use)Weight . 485g. . .