Prosumer's Choice Adjustable Height Gas Spring Easy Lift Standing Desk Sit-Stand Up Desk Computer Workstation PROMOTES BETTER POSTURE : A modern stand-up work desk converter with gas spring activated technology to adjust height to the perfect position and promote better posture and increased productivity. ERGONOMIC DESIGN : Easy-to-use, two-tier shelf design positions the monitor at the proper viewing angle as well as the height of the keyboard and mouse for proper working height MAXIMIZE YOUR PRODUCTIVITY : Feel energized and more alert with a sit-and-stand work day that keeps your body in motion instead of constantly sitting, slouching and typing DURABLE & LONG LASTING : The sturdy standup desk adjusts up to 22in for both tall, medium and smaller heights and fits easily on most standard desk setups INCREASE YOUR WORKSPACE : The two-level shelf design gives you plenty of work space and provides additional room to store and keep office belongings