PROTECT CHILDREN AND PETS: Are you having trouble ensuring the safety of your children when using sliding glass doors in your home? This sliding door/window child lock 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 injure them. KEEP FURNITURE IN ITS ORIGINAL STYLE: Depending on the gap width of the door or window you want to open, install the lock at the appropriate distance on the other side of the door. The flat and minimalist shape fits into any home decor without compromising the aesthetics. EASY INSTALLATION: No drilling tools required! The first step is to clean the area where the lock will be used. The security lock has a strong 3M self-adhesive backing. To use it, simply peel off the protective paper on the back, stick it on the area to be sealed and press it firmly a few times. (Warm Tip: Please wait 24 hours before use for better results. ) MULTIFUNCTIONAL CHILD LOCK: The baby sliding door child lock is lightweight, does not take up much space and has excellent locking function. This child safety lock can be used on sliding glass doors, sliding doors and sliding windows in your home. (Note that sliding locks work well on many flat surfaces such as glass, wood, plastic and metal) YOU WILL RECEIVE: You will receive 4 pieces of child lock sliding door lock, enough for your daily needs. Simple and compact without taking up too much space. Very practical, it will be a handy little helper in your life.