CHILD PROOF SAFETY DEVICE Keep valuable belongings secure by preventing young children from opening sliding doors or hung windows with this durable and effective lock. This child safety device has been tested to withstand the pulling and tugging of babies and children, helping to keep doors and windows safely secured. SAFE DESIGN Unlike other sliding glass door locks, this child lock is installed beside the door track and operates only when both buttons are pressed simultaneously, preventing the door from sliding open. To unlock, simply press the locking cover to release. STRONG DURABILITY Constructed with high quality ABS plastic, stainless steel spring, and strong adhesive tape, this window safety lock is built to last. The child proof window lock maintains its effectiveness even with daily use of sliding windows. SIMPLE INSTALLATION No drilling or tools required. Clean the surface, peel off the adhesive backing, and attach the lock to the desired location on sliding doors or windows for patios, closets, or other areas. DURABLE PERFORMANCE We are confident in the quality of this door safety lock. If you are not satisfied, please and we will provide a prompt solution. A reliable safety solution for homes with children.