2019 Rule Book7:2 COMPETITION NUMBERS: All contestants are required to display a permanent driver number at all Drag Racing Series national events Driver numbers and class designation letters must be displayed on both side windows and the windshield. Numbers on side windows must be a minimum 4 inches high and 1 1/2 inches wide. Class designation letters must be a minimum 3 inches high and 1 inch wide. Numbers and class designation on windshield must be a minimum of 3 inches high and 1 inch wide. Driver’s competition number and class designation must be displayed in a legible manner in a contrasting color to the vehicle’s background color, or light color on windows, in a prominent position, and be clearly visible to the tower personnel. Class and numbers must be in the form of permanent decals or paint. The use of shoe polish in any form is prohibited.

Price Is for Single Color Numbers and Drivers Name. 
You will get the following. 

(4) 10" Long x 4" Tall   Competition Numbers for The Side Windows & Front And Rear Window
(4) 6" Long x 3" Tall    Class Designation for All 4 Windows
(2) 16" Long x 2" Tall   Drivers Name

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Need the following after checkout.
Et Number
Class
Drivers Name
Font
Vinyl Color 

Decals will be sent in the color "White" unless otherwise specified No background, so background color is what it is applied to All decals come masked for easy installation. The vinyl I use has an outdoor rating of at least 5 years. The decal is for the outside of the vehicle.