We needed a guest bed that we could stash away when not in use. This is a solid platform and folds down to an easy to store size. Four stars instead of five because the hardware feels a little cheap, and the two sides are connected by two plastic clips that are fine, but I will be curious to see how they stand the test of time.  That said, the bed was level, solid with no creaking or groaning, and you can't feel the metal frame through the mattress. Perfect bed for us for the holiday season with lots of visitors.