Stand Up Desk Store Add-On Office Sliding Under-Desk Drawer Storage Organizer for Standing Desks (Black, Lockable with Padded Laptop Shelf) Adds functional storage space for small items to your standing desk, helping reduce desktop clutter Durable steel construction with a tough powder coat finish; high-quality, smooth-gliding drawer slides Key lockable for added security; can be flush mounted, or you can use the included extender brackets and pad to also create a padded shelf above the drawer Overall dimensions (flush mounted) are 21.6" W x 14" D x 2.875" H; overall dimensions (with extender brackets) are 21" W x 14" D x 6.9" H; interior dimensions are 19.625" W x 12.75" D x 2.4" H; weight capacity is 15 lbs; product weight is 13.2 lbs.