Laptop stand holder can freely adjustable,you can adjust the angles to mke your comfort level, so that you could feel relax,and give you wonderful typing experience Specifications Material:Aluminum alloy+silicone Product Size:(LxWxH) 9.8x 8.66x1.06 inches Suit for:10-17 inches laptop Height adjustable:4.5 cm-19 cm Weight:30 OZ Aluminum alloy material:The laptop stand is made of high strength aluminum alloy and non-slip silicone,which is strong enough to withstand a weight of 22 pounds (10 kg).It is more stable and durable, and will take care of your laptop. Silicone anti-slip surfaces:The supporting surface is provided with 4pcs silicone anti-slip mat,keep laptop stable and prevent dropping,anti-slip while more personal protection against scratches.It is more safe to use. 2 Cooling Quiet Fans:The laptop stand has 2 high speed silent cooling fans work together to cool your laptop quickly,prevent it from overheating. Rubber pads and aluminum also act as thermal pads to absorb heat. Laptop Stand Compatibility :Compatible with 10 to 17.3 Inches Laptops for Macbook,Tablet, Notebook.Perfect desktop accessory that very comfortable for working at home, office and outdoor.