3 Boat Letter and Number Kit - Red This 3 Boat Letter and Number Kit - Red features factory matched colored boat lettering and boat numbers that can be used on boats or personal watercraft for both sides of the vessel. Made from lead-free inks and 4 mil outdoor vinyl with super-stick adhesive, this boat lettering kit is fuel, fade and scratch resistant. With UV coated letters and numbers for protection from the sun, this kit includes 4 sets of the letters A-Z and the numbers 0-9 for a total of 1