The holder is non-slip while protecting your computer from being bumped due to the use of silicone handle.The sitting posture can be improved and the comfortable angle can be adjusted as it has 4 levels of free height adjustment. It is equipped with 4 cooling fans, which prevents the laptop from crashing due to overheating.The upper surface is covered with meshing metal, and the bottom and sides are ABS, which is sturdy and long lasting.The length of this product is 39cm, the width is 28cm and the height is 2.9cm.This gaming laptop cooling pad can accommodate laptops up to 17.3 inches.Item Name: Laptop StandMaterial: ABSType: A (with Speed Regulation); B (without Speed Regulation)Model: S18Voltage: 5VCurrent: 0.4A/0.15APower: 5.5WNumber of Fans: 4PCSFan Size: 14CM (2Pcs) + 7CM (2Pcs)Fan Speed: 1000±10%RPMFeatures: Adjustable, Quick Cooling, Widely UseSize Details: 39cm x 28cm x 2.9cm/15.35" x 11.02" x 1.14" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Laptop Stand (Others Not Included)1 x USB Cable