This looks great and works perfectly on top of my kitchen cabinets. The metal (flat) legs are not are thick / sturdy as i would have liked. But the price is OK. It adds up if you start stacking them. I bought two to stack up and they interlock nicely. The tips of the legs have rubber feet that keep it from sliding around. Although the rubber feet make it more difficult to attach one on-top the other when stacking. Just need to push it into the slit of the rack below. It doesn't snap but the weight of the bottles / gravity keeps it firmly down / in place. I might get a third to put on top of the two. I think the product has a stack limit in the description. it seems that three should work but probably not four unless it is secured to the wall or something.