The Allsop ErgoTwin is an independently adjustable tabletop dual platform monitor stand that doesn't require VESA mounts. The two platforms adjust independently and can support laptops and monitors up to 24". Simply choose the best ergonomic viewing height for each platform, and then place your laptop or monitor on the platform. It's that easy! Monitor platforms can be positioned together as a shelf. The vented platform surface allows for passive airflow to help keep your electronics cool, and it's nonskid feet won't harm your desk.