【Durable Material】：The child locks are made of superior and durable ABS material. Non-toxic and odorless, not easy to be damaged by toddlers.【Attractive Appearance & Easy Installation】：Special H-shaped design can make the installation and operation much easier, beautiful and longer area for the adhevise to install the lock, no tools needed. 3M tape with strong viscosity 3 steps to install the lock. 1. Tear off the covers of the 3M stickers. 2. Stick the lock on the confirmed place. 3.Press and make sure the lock is stuck to the refrigerator(the effect of the tapes will be better after 24 hours)， It can be removed easily with the hair dryer, no harm to the refrigerator surface.【Easy Open and Lock】：One-handed operation, By rotating the middle button, it will unlock and open the refrigerator door by button makes it difficult for babies to open but easy for adults to open with one hand.【Multi-function】： These baby safety locks are compatible enough to lock multiple dangerous places,