JAJKAFCLPackage Include 4 sets x window limitersCharacteristics - Material: Aluminum alloy Security Window Lock.- Size: 3.50X2.80X2.00cm/1.38X1.10X0.79inch child safety lock for sliding doors.- No punching installation, no punching, easy replacement, no other tool installation flush bottom.- Sliding window locks can be easily applied to sliding windows to give children a safe environment sliding window lock.- Prevent thieves and children from climbing the window, limit indoor ventilation, improve air circulation window replacement.- Put it on the window or door bar, open and close by the part that needs the window Window Limiter.- Made of premium material is strong and durable, anti-scratch, anti-wear workmanship, easy to open the surface Window Protective Lock.Goods Descriptionflush bottom floor guide Sliding window locks can be easily applied to sliding windows to give children a safe environment.Sliding Window Lock Windows are second only to doors when it comes to security vulnerabilities in a house.kids door lock They are easier to open from both outside and inside.interior barn door lock So the safety of your family is likely worth this investment in our sliding window lock.Window Limiting Lock None of this matters when people unknowingly leave their windows open when not at home