T-Zone Standing Desk Top Extender (Grey), 4-Leg Medium Table Top, Ergonomic Adjustable Height, Portable Easy and inexpensive ergonomic solution to provide a standing desk option for any existing desk or table Designed to be completely adjustable, providing versatility for use in the office or at home Can be adjusted to virtually any position to fit your exact height, arm length, and head angle requirements for the most ergonomic standing desk work position Features fully-adjustable and fully-lockable leg positions, with non-slip rubberized-feet , cooling holes to prevent laptop Additional uses at home: laptop or table stand when sitting on couch or in bed reading, eating, or work tray no-strain stand for watching movies on your laptop recipe book stand