Description: Quality Materail: Sliding door child lock is made of plastic material. They maintain beauty while ultimately giving kids the level of safety and protection you want.Child Lock Sliding Door or Window: Designed for door or window that running rail, including patio door, window, shower or closet. Making sure that the door uncrush children's fingers when closing.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 avoids pets from escaping without your supervision.Easily Install and Use: This lock is operated with a simple flap. The sliding closet door lock allows for installation and release. Tools no required. No damaging the fixtures of the home through drilling holes.Wide Application: The window lock is with back adhesive, each sliding door stopper can also be used as handle for wardrobe, sliding door, drawer, cabinet door, toilet lid, etc. Specification: Material: Plastic Size Chart: 5.5cmx5.5cm/2.17inchx2.17inch Package Includes: 4 Sliding Window Locks Note: Please allow slightly errors due to manual measurement and different monitors.