These latches are in materials that look good, resistant baby, but also to the parents! They are very difficult to open and close, so to install on doors that are not designed to be opened frequently by parents (kitchen cupboards, for example), as nervousness insured. I thought they would be a little more flexible and more manageable. So, unable to close them, they stayed open for ... Moreover, even closed, if they are installed on two doors that open one facing the other, baby still manages to yawn both doors at the same time pulling it, so ouch, my wedging likely meaning for the curious ones. I have not had time to test the durability of adhesives ...