2pcs Window Locks Set for UPVC Windows,Window Restrictor 2packs, White\nProduct Details\n--\u3010Child safety&Compatible\u3011 The safety locks effectively limit the opening distance of Windows and doors to help reduce the risk of injury from falls.At the same time,our lock is a safe way to keeping your privacy, suitable for many kind of materials, such as upvc, wood, aluminum and metal.You can use it without any worry.\n--\u3010Premium Quality\u3011 You can trust in the premium quality of our materials, which are safe and non-toxic. The steel wire rope is 3mm thick for added strength.Outer protective rubber coat, no rust, long life. Moreover, its surface is covered with high-quality plastic to prevent scratches, and it is not easy to be broken.\n--\u3010Flexible to Install\u3011Two installation methods: drilling or self-adhesive.These locks reserve two screw holes and are equipped with screws.The back of locks are strong adhesive, which ensures it is not easy to fall off. Just c.