Made of high quality aluminum alloy, the LPS04-5U Foldable 6-Level Adjustable Laptop Riser features sleek surface and elegant appearance. Capable of firmly holding most 11'-17' laptops and tablets. At only 0.12' thick, the riser easily folds flat for storage or transport. Six levels of height adjustment provide optimal viewing and comfortable working angle. The open design offers maximum air-flow for heat dissipation so devices maintain cool operation. Soft silicone pads keep the device in place during use and protect surfaces from scratches. FEATURES ??rgonomic Design: elevate the screen to eye level for better viewing angle ??olding Mechanism: fully collapsible for flat storage or transport ??ood Ventilation: open design offers increased air circulation - working as a heat sink ??o-Skip Feet: keep the stand in place and not easy to scratch desk ?? Height Settings: for optimal viewing height ??ightweight Aluminum Construction: provides a sleek, lighter, and elegant look ??on-Toxic Silicon Pads: protect laptop from being scratched and secure it in stable position ??afety Ledge Stopper: prevents your devices from slipping SPECIFICATIONS Product Category: Laptop Riser Rank: Standard Material : Aluminum,Silicone Pad Surface Finish: Sand-blasted Aluminum Anodic Oxidation Color: Silver Dimensions: 240x240x14mm (9.4'x9.4'x0.55') Applicable Devices: Laptop Fit Screen Size : 11'~17' Surface Thickness: 3mm (0.12') Weight Capacity(per layer): 5kg (11lbs) Drawer: No Castor: No USB Port: No Quick Charge Port: No Multi-media Port: No Cable Management: No Accessory Kit Package: No