It's always good to have reflectors during low-light conditions. This red rectangular rear reflector for the Baja Mini Bike MB200 certainly enhances the rider's safety.
Note that the MB165 was not equipped with a rear reflector and this mini bike part is only necessary on the newer MB200 model. The design is such that it may find a home on many other brands and models. If you can drill a small hole in your rear fender, you can mount this convenient red reflector.