Those are rear guard plate stickers which are used to prevent the door plate to be scratched. Very easy to install and convenient to clean. If you need them, just buy them. They would not disappoint you.

Features:
Using PU material, there are carbon fiber stripes on surface to prevent scratching.
Exquisite bordure, the edge is not easy to perk.
Protect the rear guard plate from abrasion.
Convenient to clean the smudginess.
Easy to install. Just paste it to the right place.

Specifications:
Material: PVC
Color: black, blue, red, sil-ver (optional)
Item size: 1000 * 90mm / 39.37 * 3.54in
Package size: 100 * 60 * 60mm / 3.94 * 1.97 * 1.97in
Package weight: 10g / 0.35oz