Universal Easy Fit Black Rubber Mud Guards with Gold Chevy Bowtie Logo by Plastic color, 1 Pair. Location: Front or Rear. Size: 11" W x 19" L. Mud Guards are colorful and durable flaps with a patented, fiberglass backing that not only keeps them from cracking or splitting, but also adds "memory" to keep their shape. Plastic color mud guards are also made of a specially formulated PVC that will easily withstand sub-zero temperatures and extreme heat without cracking.