Aluminum alloy quiet design general size.Direct connection to the notebook cooling hole.Anodized high-strength aluminum alloy with outstanding .texture Selected electrodes quickly turn still as silent.There are multiple silicone pads on the contact surface to prevent slippage and protect the body from scratches.Product DescriptionShell structure material: aluminum alloy + ABSCompatible: All types of tabletName:Lifting laptop standMaterial:Aluminium alloy/siliconeColor:SilverWeight:776g(No fan)/825g(With fan)Size:235*238*34 mmPanel thickness:3.5mmComputer Stand only, other accessories demo in the picture is not included!Note: No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!