Description: 【Metal Construction】: Crafted from metal, child safety door top locks are durability and sturdy, ensuring long time service 【Easy Installation】: Kid Door Locks are easy installation, simply secure the lock to your door frame with the included screws. The child safety door stopper can be easily installed at the top of the door and slides smoothly for locking and unlockings, making it convenient for adults to use 【Double Sided Operation】: Designed with safety in mind, these lock can be operated from both sides of the door, Prevents accidental lock ins and allows easy temporary opening by simply sliding the lock aside, no need for frequent unlockings 【Versatile Use】: Retractable Child Safety Door Top Locks are suitable for thickness of 2 to 5 cm doors in living rooms, bedrooms or any area of your home. Perfect for families with children or pets who need extra protection 【Package Included】: Each package comes with 2 metal locks, 2 screws Specification: Material: Metal Size Chart: 10.5cmx7.2cm/4.13inchx2.83inch Package Includes: 2 Child Safety Door Top Locks 2 Screws Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.