Adjustable Desk Riser Staples 2452742 Sit To Stand Adjustable Desk Riser 35-Inch Staples sit-to-stand adjustable desk riser transforms a plain office desk into a standing desk, so you can choose the position that's right for every part of your day. Get out of your desk chair and enjoy the benefits of standing throughout your workday with this Staples sit-to-stand adjustable desk riser. The simple design lets you raise and lower this riser depending on the task at hand, and the convenient size fits neatly on your existing desk. An integrated keyboard tray makes it easy to find the right position for your hands so you can type comfortably. Raise your work surface with this 35" Union & Scale black adjustable standing desktop riser FlexFit, a collection by Union & ScaleTMBlack laminated top with black metal base. Capacity: 33 lbs Height-adjustable desk riser is an ultra easy sit-stand solution from 5.9"-19.6"H. Assembly required