Why You Need It No More Children Or Pets Locking You In Or Locking Themselves In A Room Prevent Children from Entering Specific Rooms Such As toilets Or Storerooms Without Adult Supervision. Children to Play With The Door And Pinch Their Fingers. High Quality Material This Sliding Door Lock Made of Strong, Strong And Durable Abs Rubber Strong 3M Adhesive Tape Can Work On Many Flat Surfaces Like Glass, Wood, Plastic And Metal, Helping Locks Stay Firmly On Various Sliding Doors And Windows. Easy to Install Our Window Limiter Is Very Easy to Install, With No Tools Or Drilling. These Window Locks Are Made With 3M Vhb Industrial Foam Glue, Which Has Strong Adhesion, Just Peel And Stick. Automatic Locking, No Key Required. Limiting Window Openings The Window Restrictor Allows The Maximum Opening Distance of The Window to Be 7 Cm. Prevent Children from Escaping The Window. At The Same Time, It Can Maintain Ventilation And Fresh Air Circulation. Versatile Use This Child Safety Lock Can Be Used On Sliding Glass, Sliding Doors, Sliding Windows At Home, Such As Balconies, Closet Doors, Kitchen Doors, Wardrobe Door, Etc. Doors With This Adhesive Child Safety Lock.