Macally Bamboo Cooling Stand with Extra Large USB Fan for Laptops and Notebook Computers (EcofanXL) High efficiency extra-large fan with slotted surface to provide better ventilation and maximize cooling for your notebook Organic bamboo material for a greener living lifestyle Features a collapsible supporting stand for maximum portability Optimum size to support various size of notebooks up to 17inces High efficieny extra-large fan with slotted surface to provide better ventilation and maximize cooling for your notebook Organic bamboo material for a greener living lifestyle Features a collapsible supporting stand for maximum portability Optimum size to support various size of notebooks up to 17inces