ENSURE YOUR FAMILY SAFETY - The window locks are designed to restrict the opening distance of windows and doors to reduce the risk of children and pets falling out of high windows. It also prevents thieves and improves indoor ventilation when you travel or go out. EASY TO INSTALL - As well as having strong self-adhesive properties, the window restrictors for upvc also have screw holes so you can use both adhesive and screws for double security. Simply turn the key to lock the window, preventing children or pets from opening it without adult supervision. STURDY & DURABLE - The window locks child safety are made of strong metal bullet head and high tensile steel cable, which is more durable. It has been tested to withstand a horizontal force of 100kg. An ideal choice to ensure the safety of your family. WIDE APPLICATION - The window lock is not just for windows and doors! It's suitable for cupboards, drawers, toilet seats and even appliances such as the microwave and freezer. Create a safe environment for your child to explore in peace. PACKAGE LIST - Each package includes 3 window safety restrictors, 3 keys and 10 screws. Suitable for use in homes, offices, hospitals, schools and other places to provide a safe environment for your children and family., Weight: 0.330693393 Pounds, Manufacturer: Flosfjylo