Description 1. Laptop Stand and Keyboard Rise - Designed for laptops and keyboards, compatible with MacBook Pro/Air 13 16, 10-17 inch Surface, Lenovo, Dell, HP, Asus laptops and most keyboards. 2. Ergonomic design - high angle, 4cm height increase, straight spine, relieve back pressure. Low angle, increase 3.5cm, say goodbye to wrist pain. Protects your neck and shoulders from pain, reduces wrist and arm stress, and improves typing accuracy and comfort. 3. Stable and good heat dissipation - The laptop stand is made of high quality lightweight ABS with triangular support. The bottom and the surface of the bracket are made of non-slip silicone, which is more stable and has good heat dissipation. 4. Folding Design - It has invisible effect when folded, it will not take up your space, suitable for carrying and business travel. 5. Package Contents - Package includes 2pcs Portable Laptop Stand Black.