Size: Closed: 60*269.5mm Open: 176*269.5*(85~200)mm Material: ABS+Aluminum alloy+Silicone Package Contents: 1* Notebook Stand The 1.6-level ergonomically designed laptop stand provides 6-level height adjustment to meet your different needs and help fix your posture, reducing back pain, stiff neck, sore wrists and eyestrain. Its the perfect desktop companion for getting rid of bad posture when using a laptop. 2. Full protection and soft touch made of high-quality thickened plastic, double triangular structure design, the laptop riser can bear the weight more stably. Silicone pads on the stand frame and 2 rubber pads on the hook hold your laptop in place and maximize your device protection from scratches and slips. 3. Portable and foldable and easy to install This laptop stand is very lightweight and can be quickly folded into a small size. Comes with a sleeve pocket for easy portability. It only takes 3 seconds to open, close and install. Save your time and space greatly. Great for outdoors and business travel. 4. Cooling and Ventilation Design The rake angle and open design provide greater ventilation and more airflow and better heat dissipation to protect the laptop from overheating hardware and CPU. 5.Wide Compatibility Laptop risers are compatible with all laptops/tablets between 11-15.6 inches, our laptop risers will be the perfect companion for your precious device.