Adjustable gap size allows for increased air circulation and proper ventilation while ensuring the safety of children and pets indoors. Made of high-quality ABS material and stainless steel chain for durability and resistance to temperature exposure. Can be used to lock windows, sliding doors, balconies, and other dangerous areas to prevent falls and accidents. Suitable for most types of windows including UPVC, metal, wooden, casement, and sash windows. Provides peace of mind by effectively securing your home and eliminating worries about the safety of your children and pets. Description: Introducing our window security lock, the perfect solution to ensure the safety of your loved ones while allowing proper ventilation in your home. Made with high-quality ABS material, this lock is designed to withstand temperature exposure and is built to last. The adjustable gap size feature allows for more air circulation compared to latch mounted UPVC windows, giving you peace of mind knowing that your home is well-ventilated. With the ability to adjust the length of the chain, you can easily determine the size of the gap according to the size of your cat, ensuring their safety indoors. This lock is not only suitable for UPVC windows but also works well with metal windows, wooden windows, casement windows, and sash windows. It can be used to secure windows, sliding doors, balconies, and other dangerous areas, preventing accidents and falls. Don't compromise on safety - choose our window security lock as the best choice for limiting the opening distance and keeping your children and pets safe at all times. Item Name: Window Security Lock Material: ABS Installation Method: Adhesive Applicable Types: Windows/Refrigerators/Drawers, Etc. Features: Rotating, Keep Security, Easy to Install Size Details: Size: 6cm x 3.8cm(Approx.) Size: 6cm x 3.3cm(Approx.) Expanded Length: 20cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Window Security Lock