Nothing to attach or assemble -Prevents your notebook from overheating: The more air under the notebook, the greater the heat dissipation -Protects furniture from heat damage: Protects notebooks from liquids spilled on work surface -Ideal for presentations: Pivots your notebook 360 degrees So others can see the screen -Can be used anywhere: At work, home or school -Adjust keyboard to a comfortable height with the stackable risers -Words with all notebooks -Rubber feet keep notebook from moving on airline Trays and other slippery surfaces -Weights 630G -Lifetime warranty USB 2.0 HUB 4ports Weight: 120g. Color available: Black & White Patent Products. Currency: USD Unit Price: Quantity: Delivery: