Protect children and pets Window restrictors for upvc no drilling limit the distance the window can be opened, reducing the risk of children and pets falling, while ensuring ventilation Guarantee securityyou can install the window locks for upvc windows on the windows and doorways of the first floor to prevent the entry of wild animals, so that your life is more secure Flexible installationWindow safety locks with screws keys have two installation methods, you can directly tear off the sticker on the back according to your needs, or use the matching screws for installation Sturdy and durableWindow locks child safety are made of upgraded non-marking adhesive, which is strong and sticky, will not damage the window, and the disassembly will not leave traces. The chain is made of stainless steel, rustproof and corrosion-resistant, durable Multi-scenario useWindow security locks are used for windows with various opening directions, and can also be used for doorways, refrigerators, washing machines. The key of the window lock is universal, only with a key, you can easily open the window lock of the whole family