Product Size: 150*120*47mm Color: silver, gray, black Material: aluminum alloy, silica gel Package content: 1*notebook computer stand 1*Gift small wrench 1.Adjustable Size: Adjustable width compatible with various laptops as well as the thickness of notebooks varying from 12mm to 40 mm. 2.Protective Mat: Non-toxic and 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. 3.Durable and Stable: Its anodized aluminum is scratch-resistant and its wide base guarantees stability to prevent your laptop(s) from falling down. 4.Exquisite Design: Sandblasted, brushed, and CNC-machined from anodized aluminum alloy, 5.Wide compatibility: This stand is not only for MacBook Pro and other laptops, but also for mobile phone, e-book, tablet or book (bookend).