Features: The door wedge features a spring loaded design that makes it stay firmly in place, effectively preventing accidental door closures spring loaded door wedge. Make of Metal and Plastic, this door stoppers is builted to last and will not easily deforms or break. Easy to use, this door stop wedge features rubber on top and bottom, ensuring a nonslip bottom of door stop to keep door firmly in place. The door stoppers help you keep door open for ventilation, prevent door from slamming, or secure door in place during moving tasks safety door stoppers. Easy to use: Simply place the door slam stopper under the door, adjust the height if need, and let the spring-loaded mechanism do its job door wedge. Specifications: Materials: Metal and Plastic Color: Black/Silver Length: about 128mm/5.04inch Width: about 45.4mm/1.79inch Height: about 44+47mm/1.73+1.85inch Package Includes: 1pc Door Stop note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.