KEEP CHILDREN SAFE: Baby safety locks help keep sliding windows locked, preventing children from falling and preventing intrusions. This child safety lock will protect them from damage. Suitable for most doors and windows: The child door lock is equipped with a rotary switch, which can easily change the distance of the slot for card, easy to use, suitable for most doors and windows. Does not scratch windows: This children's door stopper can be used on windows and doors. The child door stopper is non-slip and has a flexible protective cover that will not scratch the window card slot. You can use the child safety gates with confidence. Package Content: This gray child safety gate is made of high quality iron, strong and durable for long term use. You will receive 2 security locks.