Marine Alpha-Numeric Registration Numbers and Letters – Fits Boats & PWC (QuickMarine Blue Kit)
This QuickMarine kit provides 3-inch blue registration numbers and letters for boats and personal watercraft. The decals meet the USCG's 3-inch minimum height requirement for vessel registration, ensuring you remain compliant with federal and state laws when installed correctly. They are crafted from marine-grade vinyl with a super-stick waterproof adhesive for lasting durability in freshwater and saltwater environments.
These decals are direct replacements for QuickMarine BLU350EC, Hardline Products BLU350EC, and are similar in style to STIFFIE Whipline WL44.
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Material: 4mil Marine Grade Vinyl with a clear UV-protective coating.
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Complete Set: Includes four full sets of the alphabet (A-Z) and numbers (0-9).
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Installation: Simple peel-and-stick application for a bubble-free finish.
Compatible Applications
Confirm your application type in the table below.
| Application Type |
Usage |
Suitability |
Notes |
| Boats |
Primary |
Excellent |
For vessel registration numbers |
| Personal Watercraft (PWC) |
Primary |
Excellent |
Jet skis, waverunners, etc. |
| Cars |
Secondary |
Good |
For custom lettering |
| Doors |
Secondary |
Good |
For custom lettering |
| Mailboxes |
Secondary |
Good |
For custom lettering |
| Indoor Decoration |
Secondary |
Good |
For custom lettering |
Technical Specifications
| Specification |
Value |
| Product Type |
Boat Registration Numbers & Letters Kit |
| Material |
Marine Grade Vinyl with Permanent Waterproof Adhesive |
| Color |
Blue |
| Size |
3 Inches (Height) |
| Style |
Block Font, Solid Color |
| Surface Recommendation |
Metal, Plastic, Glass, Fiberglass, Gel-Coat, Aluminum, Paint, Wood |
| Number of Sets |
4 Sets (A-Z and 0-9) |
| Total Decals |
144-146 |
| Special Features |
Fade Resistant, Oil Resistant, Peel and Stick, Scratch Resistant, Waterproof |
| UV Protection |
Clear Coated |
| Thickness |
4mil Outdoor Vinyl |
| Reusability |
Single Use |
| Adhesive Type |
Super-Stick Adhesive |
| Indoor/Outdoor Usage |
Outdoor Rated for Freshwater & Saltwater |
| Regulations |
Meets US Coast Guard & State Guidelines (when installed correctly) |
| Item Form |
Sheet |
| Package Dimensions |
9.8 x 4.21 x 0.75 inches |
| Item Weight |
8.4 ounces (238 grams) |
Package Contents
1 x Marine Alpha-Numeric Registration Numbers and Letters Kit (Contains 4 sets of A-Z and 0-9)
Installation Guide
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Clean and Dry: Thoroughly clean the surface where the decal will be applied to remove any dirt, wax, or oils. Ensure the area is completely dry.
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Peel: Carefully peel the individual sticker from the backing sheet.
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Apply: Position the sticker on the desired surface. Take your time to ensure proper alignment and spacing to meet regulations.
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Press Firmly: Once positioned, press down firmly from the center outwards to smooth it out and remove any air bubbles.
Troubleshooting & FAQ
Q: How do I ensure these decals are compliant with local regulations?
A: These letters are 3 inches tall, meeting the minimum USCG height requirement. To ensure full compliance, you must apply them correctly: numbers must be in a block-style font, the color must contrast with your hull, and they must be spaced with a hyphen or equivalent space between letter and number groups.
Q: Are these decals visible from a distance?
A: The solid blue, block-font style is designed for clarity. However, visibility depends on the contrast with your boat's hull color. For maximum legibility, ensure the blue stands out clearly against the background surface.
Q: Can I apply these to an inflatable boat or a textured surface?
A: These decals are best suited for smooth, hard surfaces like fiberglass, gel-coat, aluminum, or painted wood. They may not adhere properly to flexible, porous, or heavily textured surfaces.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your intended use. If discrepancies exist—even if your application is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure proper spacing and alignment for regulatory compliance.
Why Choose JLM MARINE?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.