-Low cost and durable fabric.
-A spring system that is supportive, extremely robust and durable. Especially ideal for beds that are likely to take a lot of wear and tear.
-Heavy gauge rod-edge
-A thick perimeter wire that reinforces the mattress edge and helps prevent collapse of the mattress at the edges that are regularly sat on.
-Fully supportive with a softer feel for those who like a more comfortable sleeping surface