Keep your kids and pet safety: Window locks provide additional security for sliding windows, sliding doors and vertical windows. Easy locking without additional installation tools or drilling. Effectively reduces the risk of children and pets falling from heights by locking your windows completely shut or preventing them from opening beyond security requirements, while preventing windows from being opened from the outside by intruders. Sliding window locks are the ideal economical solution to provide extra locking protection for your children and pets, and extra locking protection for your property while you are away. Sliding Window Locks You Deserve: Whether you're looking for a way to keep your kids and pets from wandering off or to keep intruders out of your home or office, window lock security is a way to give you peace of mind. Upgraded protection design: Each window lock has two fixing holes, which greatly enhances the lock's retention. Protective Window Pad: The window locks come with a plastic protective gasket to prevent scratching or damage on all sides. Sturdy and well-made: Made of high-quality aluminum alloy with a high-strength polished surface designed not to be scratched or rusted. Durable security window locks: Resistant to corrosion, oxidation and rust, even in rain or water. Please note: Suitable for vertical and horizontal sliding window doors (please double check before ordering)Not suitable for casement windows, awning windows, fixed windows and bow windows.