High-quality PVC anti-collision strips made of natural rubber, embedded in stainless steel frames, are durable and corrosion-resistant, effectively protecting your car doors from accidental opening or wear and tear from surrounding walls and vehicles. Available in 5 colors and 2 sizes depending on car type. They are installed on the four doors of most cars, such as sedans, SUVs, trucks, etc. After installation, you can easily open and close the door without affecting the door. The package includes 16.4 feet (5 meters) or 33 feet (10 meters) of anti-collision strips and a hammer; during installation, use scissors to cut the exposed iron plates at both ends, clamp the anti-collision strips along the door edge, and then lock the rubber strips with a hammer. Anti-collision strips can be used not only for car doors but also for sealing ships, home doors and windows, computer desks, metal plates, shelf protection, and other items that need protection.