Description: Child Lock Sliding Door or Window: Designed for doors or windows that running rail, including glass patio doors, windows, showers or closets. sure children do not wander off, crush their fingers when door closing. Easily Install & Use: Operated with a simple flap. The sliding closet door lock allows for installation and release. tools not required. No damaging the fixtures of the home through drilling holes. Durable & Reliable: Made of ABS high quality material, each is perfect sliding door child lock. They maintain beauty while ultimately giving kids the level of safety and protection you want; Application: Back adhesive, each sliding door stopper suitable for glass, vinyl, aluminum, wood sliders, can also be used as handle for sliding doors, cabinet doors, toilet lids, etc. Child Safety Essential: With this sliding door safety lock, your kids can't open the sliding door or window to wander outside while you're busy doing housework; it also prevents pets from escaping without your supervision. Size Chart: 6.6cmx8.5cm/2.60inchx3.35inch Package Includes: 4 Sliding Window Locks(6 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.