With x-shaped lifting structure, the height range can be adjusted from 2.3in to 15.6in (5.8cm-39.5cm). The gas spring is used to provide assistance in the process of lifting, and play the role of shock absorption and buffer to make the lifting and. With wear-resistant plastic feet pad, it can be placed smoothly without scratching the desktop. Made of high-quality MDF + iron material, firm and durable and wear-resistant.Strong carrying capacity, you can place a monitor, laptop, mouse or other items on the desktop. 2.3in-15.6in (5.8cm-39.5cm). 72.5x47cm / 28.5x18.5in. Please allow 0-1 inch error due to manual measurement. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. The item "Adjustable Desk Riser Home Shelf Standup Sit Stand Height Standing Laptop Black" is in sale since Tuesday, August 25, 2020. This item is in the category "Home & Garden\Furniture\Home Office Desks". The seller is "discover-life" and is located in California. This item can be shipped to United States.