window keys window safety restrictors window child safety locks window restrictors for cats child window safety locks KEEP BABY SAFE: our Window locks limit your window openings to less than 15cm allowing fresh air to circulate while preventing your baby and pets from falling and getting hurt. ensure the safety of your family. TWO TYPES OF INSTALLATION: the childproof window lock comes with strong adhesive and screws. You can choose to paste the locks directly without drilling or screwing into your window frame. and you can also use screws for double security. Each lock comes with a key. STURDY AND DURABLE: These window lock made of high quality steel , With anti-oxidation and anti-corrosion function, it can prevent damage or wear. The cable can withstand a horizontal force of 100 kg. WIDE APPLICATION: these refrigerator lock are also be used for many cabinets, windows, drawers, doors, toilets, microwave ovens, etc.Suitable for various materials, glass, metal, wood, aluminum. You can use it in home, office, classroom. WHAT YOU GET4 packs of window locks, 4 keys, 2pack adhesion promoter,32 screws.