This is a very nice portable crib.  The reason I didn't give it higher marks is that the setting of the brackets that hold the mattress frame weren't level.  The manufacturer also covered each wood piece with large warning labels, and large instructions are glued to the mattress board....and they can't be peeled off.  The "mattress" is really a foam pad.  We wound up having to get the brackets re-screwed, and I had to buy a special goo remover to get the labels off.  We also had to buy 2 mattresses that were thicker. I bought 2 cribs for our twin grandsons, and both cribs had these problems.