Quantity: one piece Color: silver Product net weight: 290g Package size: 24.5 * 5.6 * 2.4 cm Unfolded product size: 23.4*16.2*19.8cm Folding size: 23.4*4.6*1.1cm Material: Aluminum + Silicone Adjustable and Ergonomic: Offers 9 height settings, allowing laptop elevation from 2.55 inches to 8 inches. Helps achieve optimal viewing angle, promoting better posture and reducing neck fatigue, back pain, and eye strain. Sturdy and Comprehensive Protection: Constructed from high-quality 6mm aluminum alloy with a triangular design, supporting up to 13.2 pounds. Features non-slip silicone padding on raised hooks and the entire top surface to securely hold your laptop in place and protect against scratches and slipping. Portable and Foldable: Weighs only 0.3 kg and folds down to a compact size of 24 * 5 cm. Designed with durable sleeve pockets for easy portability, ideal for frequent travelers. Universal Compatibility: Compatible with laptops up to 15.6 inches, including MacBook Air/Pro, Google Pixelbook, Dell XPS, HP, ASUS, Lenovo ThinkPad, Acer, Chromebook, Microsoft Surface, and iPad. Precision-crafted from aluminum with a CNC-machined surface for a sleek, durable finish. Heat Dissipation and Ventilation Design: Made of 100% aluminum alloy, which helps absorb and dissipate heat efficiently. Good quality product