This is a 0.4 mm thick fiberglass base plate that is cut specifically for the Ninja line of motorycles that accept the LP1 model turn signal.
This color is the Carbon Look Coating. This plate is also clear coated. The clear coat is a Sikkens Akzo Nobel AutoBase Plus II product and both coatings shoud last the life time of the bike.
If you are ordering plates seperatly from the signals, then exit this area and choose a menu item on the left called Plates.