✅ PROTECTS CHILDREN AND PETS: Worried about your children's safety when using glass sliding doors in your home? This child lock for sliding doors/windows is ideal for protecting children and pets, as it effectively restricts the opening of sliding doors and windows and prevents your children or pets from entering areas that could endanger or harm them. ✅ MAINTAIN THE ORIGINAL STYLE OF YOUR FURNITURE: Includes 4 child safety locks for sliding doors; more than one can be used at the same time. Depending on the gap width of the door or window you want to open, install the lock at an appropriate distance on the opposite side of the door. The flat and minimalist design blends into any interior without compromising aesthetics. ✅ EASY INSTALLATION: No drilling required! The first step is to clean the area where the lock will be placed. The safety lock has a strong 3M adhesive backing. To use it, simply remove the protective paper from the back, attach it to the area to be sealed, and press it firmly a few times. (Warm tip: wait 24 hours before use for better results.) ✅ MULTIFUNCTIONAL CHILD LOCK: The baby safety lock for sliding doors is lightweight, does not take up much space, and has an excellent locking function. This child lock can be used on glass sliding doors, sliding doors, and sliding windows in the home. (Please note that sliding locks work well on many flat surfaces such as glass, wood, plastic, and metal)