Adjustable Window Lock Stopper Safety Locks for Kids and Pets Anti-theft Door Lock Non Punch Sliding Window Lock HardwareDescription:Name: window lockMaterial: zinc alloySpecifications: unmarried gap ivory white (with key), double gap ivory white (with key), single hole brilliant black (with key), double hole vivid black (with key), single hole basic silver (with key), double hole basic silver (with key), security window lock (with key)Scope of application: sliding windowSpecifications:1. Product features: thickened material, thickened panel, thickened chain, controllable width.2. Product use: window restrict lock, loose control window width, to forestall children from hiking out of the window.3. A kind of styles are available, all with keys to ensure the security of children.4. Easy installation:① Prepare baby security window lock② Determine the window opening width③ Adjust the width of the top sheet④ The width of height sheet is smaller than that of card slot⑤ Turn the main to the right and tighten itPackage Included:1 * window lock1 * Key