VIVO Desk Riser Solutions: We create affordable ergonomic solutions designed to help transform your unique workspace! This product is an electric riser that sits on top of your current desk, allowing you to sit or stand on demand -Patented- Spacious Work Area: The top 36 x 22 surface provides plenty of space for single monitor, dual monitor, and laptop + monitor setups. The 25 x 10.5 lower tray raises the keyboard and mouse in sync with the top platform for maximum comfort