Keep your home safer with these adjustable window security bars. They're designed for both sliding windows/doors and traditional up/down windows. Each bar extends from 18 to 30 inches, so you can fit them in a wide range of window openings. Made from heavy-duty alloy iron with an electrostatic coating to resist rust, they have non-slip rubber tips that grip the frame without damaging it. Simply expand the bar to the right length and wedge it securely in the window track—it acts as a physical barrier to prevent intruders from opening the window further. They also work as safety devices to stop windows from accidentally falling shut (great for kids or pets) and allow you to keep windows partially open for ventilation while maintaining security. Perfect for ground-floor windows, apartments, hotels, or vacation rentals. A simple, effective, and affordable way to boost your home's security.