LAPTOP STAND & KEYBOARD RISE: Design for Laptop and Keyboard, Compatibility with MacBook Pro/Air 13 16, 10-17 inches Surface, laptop and most of keyboard. ERGONOMIC DESIGN: 3°,11° and 16° three different angles to adjust, Suitable to different heights of people.Protect your neck and shoulders from pain, Reduce strain on your wrists and arms, improve typing accuracy and comfort. STABLE & GOOD HEAT DISSIPATION: Laptop stand is made of high quality lightweight zinc alloy, triangular support. Non-slip silicone on the bottom and stand surface, more stable, Good heat dissipation function. FOLDING DESIGN: It has an invisible effect after folding, which will not take up your space, Suitable for carrying and business travel. PACKAGE CONTENTS: Packaging include 2 PCS portable laptop stand Gray. If you have any questions, please feel free to contact us by email, we will reply you within 24 hours, the high-quality customer service will make you worry-free after purchasing.