【High Quality】 This product is made of UPVC and metal material, which is very sturdy and durable to use. It is equipped with key, easy to open and close. 【Easy Installation】 It is very easy to install this window security restrictor. When the cable is in place, the distance the window can be opened is limited, and by using a key, the cable can be removed from one end and the window can be fully opened. 【Keep Kids Safety】This window door lock is designed to restrict opening distance of windows and doors and reduce of falling out. It can keep kids and pets safety, suitable for most types of windows and small doors. 【Ventilation】The window lock rope is 19cm long to allow fresh air to circulate, and can be opened fully after the cable is removed for one end by using the Key. 【Wide Applications】These baby safety locks can be used as a refrigerator lock, toilet lock, cupboard lock, etc; ideal for many windows, cupboard, drawers, and doors, preventing your little adventurer or cute pet from going to dangerous places. It can also be used to press down the toilet lid and seal the doors of microwaves, refrigerators, and other appliances.