VIVO 81 cm Desk Converter, K Series, Height Adjustable Sit to Stand Riser, Dual Monitor and Laptop Workstation with Wide Keyboard Tray, White, DESK-V000KWCreate Instant Active Standing VIVO's 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 Space Efficient 80 cm Surface The top surface measures 80 cm x 39. 9 cm, which maximizes space while still providing room for dual monitors. The 79. 5 cm x 30 cm (26. 7 cm in center) keyboard tray raises in sync with the top surface to