1、[Ergonomic Design] The notebook stand can elevate your notebook to a perfect sight level, helping to reduce awkward postures and relieve the stiffness of the neck and shoulders. 2、[Reasonable Structure] The stand is tilted at a perfect angle to protect your wrist and maintain your neutral posture. The design of protective hook and non slip pad ensures smooth typing. 3、[Highly Compatible] Fit for MacBook 12 13, for MacBook Air 13, for MacBook Pro 13 15 2018 2017 2016, for Lenovo ThinkPad, for Dell Inspiron XPS, for HP, for ASUS, for Chromebook and other laptops (10in, 11in, 12in, 13in, 13in, 14in, 15in, 14in, 16in, 17.3in, etc.). 4、[Aluminum Alloy Material] Optimize cooling to prevent your laptop from overheating during use. The ventilation design can provide more airflow to cool your laptop and extend the battery life of your laptop. 5、[Triangular Support Structure] Good stability, fixed angle, to ensure the safe support of your laptop, good slip resistance, and protect your laptop from sliding and scratching.