These door caps are perfect for car enthusiasts who own a 1988 - 1991 Honda CR - X Civic HB. They are great for those looking to enhance the appearance of their vehicle and protect the doors. You can use them when you want to give your car a fresh, new look or after a minor door scratch. The door caps are made of FRP material, offering a good balance of lightness and strength, although the exact size and weight aren't specified. Remember, professional installation is needed to ensure a perfect fit.