You can adjust the height of this laptop stand according to your comfort level, which allows you to feel some relief from back/shoulder/neck/arm pain caused by improper posture. With three speeds adjustments and strong winds, this laptop stand has a non-slip rubber pad that prevents your laptop from sliding away and helps it stay still. It is constructed of aluminum alloy material. The length of this product is 21.3cm and width is 19.8cm. It can be a tablet holder and a desk fan, which is multifunctional. Item Name: Laptop Stand Material: Aluminum Alloy Features: Strong Load Bearing, Powerful Wind, Adjustable Speed: Three Speeds Size Details: L: 21.3cm/8.39", W: 19.8cm/7.8" (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