1、Adjustable height (50-155mm): Features 10-level adjustable height, allowing you to adjust a comfortable sitting position based on your own need. 2、More comfortable: With height adjustment, lift the viewing angle to a horizontal level, to reduce the fatigue caused by long-time working and protect your cervical spine, more healthy and comfortable way. 3、Silicone mat design, anti-skid and stable. 4、Hollow panel can help to keep your laptop from overheating, cool rapidly, work effectively. 5、Compatible with most laptop, tablet, and more devices. 6、Foldable design, easy portability on the go. This stand is ergonomically designed to relieve strain on wrists, shoulders and neck in a comfortable 10 fully adjustable slots. In addition, a hollow design can help to keep your laptop from overheating. Features: Adjustable height (50-155mm): Features 10-level adjustable height, allowing you to adjust a comfortable sitting position based on your own need. More comfortable: With height adjustment, lift the viewing angle to a horizontal level, to reduce the fatigue caused by long-time working and protect your cervical spine, more healthy and comfortable way. Silicone mat design, anti-skid and stable. Hollow panel can help to keep your laptop from overheating, cool rapidly, work effectively. Compatible with most laptop, tablet, and more devices. Foldable design, easy portability on the go. Specifications: Material: ABS+silicone Color: Black, White(optional) Adjustable height: 10 levels Packing size: 290*65*25mm/11.42*2.56*0.98in Packing weight: Approx. 280g/9.88oz Packing list: 1*Laptop Stand 1*Storage Bag 1*Laptop Stand 1*Storage Bag