US COAST GUARD COMPLIANT: Meets all US Coast Guard and state specific boating guidelines for size and font visibility. These 3-inch block-style letters feature a high-contrast Red body with a bold Black outline, ensuring your vessel is legally identified and easily read by harbor patrol and law enforcement. MARINE-GRADE DURABILITY: Engineered with 4-mil thick outdoor vinyl and sealed with a UV glossy topcoat. These decals are chemically formulated to resist fading from sun exposure, fuel spills, saltwater corrosion, and abrasions, ensuring they look new season after season. SUPER-STICK ADHESIVE: Features Hardline’s proprietary adhesive technology designed specifically for the marine environment. Bonds permanently to Gel-Coat, fiberglass, polyethylene (plastic), aluminum, painted metal, and wood without peeling at high speeds or in rough water. COMPLETE 146-PIECE KIT: Never run out of characters. This kit includes four (4) sets of letters A-Z and four (4) sets of numbers 0-9. One kit contains sufficient decals to mark both the Port (left) and Starboard (right) sides of your vessel. UNIVERSAL APPLICATION: Ideal for all recreational and commercial vessels including bass boats, pontoons, center consoles, yachts, tenders, and personal watercraft (Jet Ski, Sea-Doo, Waverunner). Made in the USA with global and domestic parts. 100% Lead-Free inks