The dual slot design of the UGREEN vertical laptop stand allows it to hold your laptop for storage purposes or when it is connected to a monitor. This double laptop stand, which has an updated dock version, maximizes and arranges your desktop space by holding two laptops upright at once. Adjustable Slot: Any laptop with a thickness between 0.47" and a maximum of 1" can be accommodated by simply adjusting the gap and tension by loosening the base screws on the laptop holder stand. By simply twisting the screw, the slot can be extended without the need for any tools. Wide Compatibility: This laptop stand works with laptops up to 17.3 inches in size, including the MacBook Air, MacBook Pro, Microsoft Surface, Samsung Galaxy Book, Lenovo Ideapad 3, HP Notebook, Dell Chromebook, and ThinkPad. Sturdy and stable: the laptop that is vertical