Create Instant Active Standing - VIVO's single top desk riser provides affordable on-demand standing throughout the day for the freedom to get out of your chair and relieve muscle tension, reduce stress, and increase productivity. The desktop supports up to 8 kg. --Patented-- Space Efficient 67 cm Surface - The ultra-slim desktop measures 67.1 x 47 cm, providing ample room for single monitor and laptop setups along with a full-size keyboard. This riser is ideal for smaller work areas where a compact design is needed to save space. 5 Height Settings - This converter has a low profile resting height (4.6 cm from the table surface) and features 5 lockable height settings for comfortable viewing and typing angles (21.6 cm, 26.4 cm, 30.5 cm, 36.6 cm, 40.4 cm). Change the height in seconds with just the squeeze of a handle! No Assembly Required - Zero assembly is needed out of the box! This ergonomic riser comes pre-assembled and ready to use in seconds, so you can enjoy your new ergonomic workspace in no time! We've Got You Covered - Sturdy steel design is backed with a 3 Year Manufacturer Warranty and friendly tech support to help with any questions or concerns.