Specification: the default 7 cm in diameter， this baby is a single price，
1 car purchase quantity to write 4， need to change the size to write in
The seller in a good note the default message delivery
Color: the default delivery color - reflective silver (natural light reflective silver gray， when thereis a bright white) - reflective red， reflecting the blue， yellow reflective three color choices.
(other colors may be needed to buy time， commodities specified in the message where the color you want)
