Wide Compatibility: Compatible with Apple MacBook Pro/Air iPad, Microsoft Surface, Chromebook, Notebooks, Dell Samsung Acer Sony Asus XPS and HP ENVY Series, Phone and even books. Non-slip silicone mats:Non-slip silicone mats cover the laptop slots to avoid scratches on your devices; non-slip silicone pads pads on the base ensure stability and security. Exquisite Design:Sandblasted, brushed, and CNC-machined from anodized aluminum alloy, this is scratch resistant, and its wide base guarantees stability and prevents falls. Adjustable Size:Adjustable width compatible with various laptops as well as the thickness of notebooks varying from 0.55in to 1.6in.Included wrench for free adjustment to meet the most suitable width. Optimize Desktop Space: It cradles your laptop or tablet vertically and keeps your desktop well-organized and space-efficient.