Description This is a window safety lock which is made of premium material for durable and practical use. Tools to instantly lock sliding doors and windows. No need to drill holes, prevent forced prying of windows from the outside, protect your safety and family safety, easy to disassemble and reuse. Features - Color: Assorted Color. - Material: Aluminum alloy. - Size: About 6.00X3.50X2.30cm/2.36X1.38X0.90inch. - Made of aluminum 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 locks can be easily applied to sliding windows to give children a safe environment.Package list: 3 x window safety locks