PACKAGE CONTENTS:Packaging include 2PCS portable computer keyboard stand. Mini stable invisible portable laptop stands designed for laptops and keyboards, suitable for most laptop, and desktop computer keyboards. Removable and reusable, can leave the laptop riser on the computer when you put in in your bag or when you don't need to raise the laptop MATERIAL:This laptop desk holder made of Aluminum Alloy, which make it strong and stable enough to support your laptop SUPERIOR HEAT DISSIPATION:Without blocking the air outlets, the triangular support angle increases the airflow, airflow is increased to keep your laptop notebook running cooler and prevent your laptop desk from overheating. No lumpy cooling is necessary PORTABLE AND INVISIBLE:This keyboard stand for desk can be completely folded and put into your backpack or bag, it has an invisible effect after folding, which will not take up your space, so the laptop stand very suitable for carrying and business travel ERGONOMICE DESIGN:This mini laptop stand can lift the laptop to provide comfortable viewing position and operating angle. This laptop feet can reduce strain on your wrists and arms, and relieve the neck and shoulders during continuous typing pain