DescriptionWindows are second only to doors when it comes to security vulnerabilities in a house. They are easier to open from both outside and inside. None of this matters when people unknowingly leave their windows open when not at home. So the safety of your family is likely worth this investment in our sliding window lock.Features- Color: White. - Material: Zinc Alloy. - Size: 3.80X3.10X2.20cm/ 1.49X1.22X0.86in ch. - Made of zinc alloy, the main material is strong and durable, anti-scratch, anti-wear workmanship, easy to open the surface. - Put it on the window or door bar, open and close by the part that needs the window. - Prevent thieves and children from climbing the window, limit indoor ventilation, improve air circulation. - No punching installation, no punching, easy replacement, no other tool installation.- Sliding window lock can be easily applied sliding windows to give children a safe environment.