Adopting great quality material, which let you use for a very long time. Though it is simple , it's so practical when you use it. The excellent workmanship of our product will bring you a good experience. Easy and convenient to install and use, it is a very useful window lock. Features - Color: White. - Material: Zinc alloy. - Size: 6.50X4.00X2.00cm/2.55X1.57X0.79in - The window lock is made of zinc alloy, which is durable and not easy to rust. - White powder coating that perfectly matches your windows and doors. Almost matches with decoration styles. - Home security lock for doors and windows. These door can be fixed to any home and can stop - Suitable for various windows/doors substrates - concrete, solid, perforated or hollow bricks etc. - It is manufactured with professional technology to ensure the of the product and can work for a long time. Package list: 4 x window locks 8 x screws 12 buttons