Create Instant Active Standing: VIVOs desk riser provides on-demand standing throughout the day for the freedom to get out of your chair and relieve muscle tension, reduce stress, and increase productivity -Patented- Spacious 48 Surface - The large 47.3 x 22 desktop provides room for single and dual monitor/laptop setups. The 30 x 10.5 keyboard tray raises in sync with the top surface to create a comfortable workstation.