Silicone Door Stopper Magnetic Non Slip No Drilling Product Description Silicone floor door bumper is a practical and aesthetic solution that ensures safety and convenience in everyday use. Made of high-quality anti-corrosion silicone, equipped with nickel, iron and boron magnetic balls and a solid screw connection, it guarantees durability and reliability. Thanks to the strong, drill-free adhesive, installation is quick, simple and non-invasive – all you need is a clean, smooth surface to enjoy a stable fixation.