Bernard Engraving PS30W4 Letter White 3 inch Stick On In4I Letter White 3In Stick On In4I The most widely used of the Bernard letters and numbers. 3 Gothic meets requirements for registration numbers in most states. These pressure sensitive vinyl-mylar letters and numbers are for fiberglass and metals boats. Slit backing for easy application. Available in solid Black or White. Attributes: Description: 4 Color: White Pack: 10.