Laptop Stand and Keyboard Riser - Designed for laptops and keyboards, compatible with MacBook Pro or Air 13 16, 10-17 inch Surface, Lenovo, Dell, HP, Asus laptops, and most keyboards. Ergonomic Design - High angle provides a 4cm height increase, promoting a straight spine and relieving back pressure. Low angle increases height by 3.5cm, saying goodbye to wrist pain. Protects your neck and shoulders from pain, reduces wrist and arm stress, and improves typing accuracy and comfort. Stable and Excellent Heat Dissipation - The laptop stand is made of high-quality lightweight ABS with triangular support. The bottom and surface of the bracket are made of non-slip silicone, making it more stable and providing excellent heat dissipation. Foldable Design - It has an invisible effect when folded, doesn't take up space, and is suitable for transport and business trips. Package Contents - The package includes 2 black portable laptop stands.