I-EASYDWW 20 Pack Window Locks, Sliding Window Locks for Vertical & Horizontal Windows, Security Window Stopper for Home Bedroom Office, Double Screw Mounting (20mm Height, White)

["Adjustable Window Opening: Easily limit and control the width of window opening, providing customizable ventilation while preventing excessive opening.","Concealed Design: The restrictor lock is installed inside the window frame, offering a hidden and discreet appearance, maintaining the aesthetic appeal of the window.","Sturdy Solid Columns: Equipped with robust solid columns, providing added strength and stability to the restrictor lock for reliable performance.","Durable PP Plastic Construction: Made from high-quality PP plastic, known for its exceptional hardness and impact resistance, ensuring long-lasting durability.","Easy Installation: The restrictor lock includes pre-drilled holes and stainless steel screws, simplifying the installation process for quick and hassle-free setup."]