High-quality and safe material: Baby safety window locks are made of low-carbon steel, which is safer and more flexible. The casement locks can withstand greater pressure, are not easy to damage or rust. Child safety window lock: When the window lock is in place, the opening distance of the windows is limited, which is very suitable for families with children. Children will not be able to reach dangerous places and avoid being injured by accidents. Easy to install: Our window locks are a great addition to your home safety list and are easy to install with the included installation template and screws. Baby safety lock can make family safer and parents more free. Wide range of applications: Baby safety locks are suitable for most types of windows or doors, such as PVC, wood, aluminum and metal materials, etc. Window restrictor locks are the perfect item to protect your child's safety. Adjustable opening width: Our inward window locks can be adjusted to 4 different opening widths, so