Suitable for various living environments, this Window Stopper add layers of Keep your homes secure and give yourself peace of mind. Crafted from stainless steel, this Window Stopper provides a solution for limiting or releasing window openings. Detachable designs allows for flexibility. Enjoy freshs air and natural light while keeping your secures. for bedrooms, living rooms, or offices. Upgrades your window security with this practical Stainless Steel Window Stopper. Compact size and easy installation make it suitable for different types of Protect your home today! Install at least 9cm away from the window frame as shown in the picture. If the slot width is greater than 13mm, choose the S model. If it is less than 15.5mm, choose the L model., Manufacturer: AOYUDJ