Create 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-- Spacious 36” Surface: The top surface measures 36” x 15.7”, providing plenty of room for dual monitor and laptop setups. The 36” x 11.8” (10.2” in center) keyboard tray raises in sync with the top surface to create a comfortable workstation Strong Steel Frame: Durable steel frame resists scratches and provides sturdy support for your devices. The desktop holds up to 33 lbs, while the keyboard tray holds up to 4.4 lbs Strong 33 lbs Lift Assist: Go from sitting to standing in one smooth motion using the innovative simple touch height locking mechanism (Adjustment Range: 4.5” to 20”). Lift design elevates straight upwards Very Minimal Assembly: This riser is almost ready to go right out of the box! Place on your existing desk, attach the keyboard tray, and start organizing your workstation