PURPOSE: To improve fashionability by housing a number plate in a translucent cover, interrupting the exogenous causes of any impact out of scatters during traveling and discoloration and deformation due to corrosive substances and so on, preventing the number plate from being damaged earlier than a car, reducing a feeling of unpleasantness in a driver and attendants, and incorporating a mass of colors and the like in this number plate cover.

CONSTITUTION: A number plate 1 is housed beneath a translucent cover 2, and a shade 3 is moved up and down and thereby a skirt 4 is folded and secured with an adhesive tape 5. Next, a bolt through hole 7 and a number plate body hole 13 is attached to a bumper 11 or the like with a washer 9 and a bolt 10 and then a cap 12 is installed by means of attachment working 8.