No good quality. When assembled, as shown, it is not by itself. Ie. It takes hold from behind, so the stair. That's not enough for a small dog (Rattler), to keep it from tipping over. It urgently needs your stop, which it saved from utter pulling apart, because on the one hand, the dog quickly learns and because on the other hand has such a sparse guide rail that breaks this case to stand far. To make things more stable, also would be an central spacer feet recommended. In addition, recordings of the grid were so important to us that it sank down and fell out of the frame. Despite some tinkering, and others. With wire and cable suspenders that thing is a visual barrier ...