140mm LED Laptop Notebook Cooling Fan Stand Coolers Pads USB Ultra Thin Multi Color Choice 100% Brand new and high quality Material: ABS plastic & Aluminum Fan Dimension: 140mm;Dimension: 330 x 250 x 24 mm Note: There are some differences between the black cooling pad and other four ones! Please choose the model you prefer! 2.4cm ultra thin, lightweight, portable and durable.