It allows me to have more open work space and open storage.  It is very sturdy, lightweight and can be stabilized with the 4 metal hooks included.  It is very easy to assemble by sliding each tray on the poles and snapping the  two pieces of the poles together.  I am a crafter with beads and these trays  are sturdy and strong enough to hold the weights of beads I use in my crafts.  This came in handy and you can also hang it in a closet.