Description This is a window lock made of premium material for durable and practical use. Tool for instantly locking sliding doors and windows. No need to drill holes, prevents windows from being broken from the outside, protects your safety and family safety, easy to disassemble and reuse. Features Color: Mixed color. Material: Aluminum alloy. Size: About 6.00X3.50X2.30cm2.36X1.38X0.90inch. Made of aluminum alloy, the main material is strong and durable, scratchresistant, wearresistant workmanship, easy to open the surface. Put it on the window or door bar, open and close with the part that needs the window. Prevent thieves and children from climbing the window, restrict 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 provide children with a safe environment. Packing list: 3 x window locks