Customer Service: info@jlm-marine.com
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Most new, unused items may be returned within 7 days of delivery, subject to our Returns Policy. A 20% processing/restocking fee may apply for returns that are not the result of our error. Original shipping charges are non-refundable.
If the return is due to our mistake (incorrect or defective item), we will cover the return shipping cost and issue a full refund.
EU customers are entitled to a 14-day cooling-off period in accordance with applicable consumer protection regulations. Certain exclusions may apply.
Refunds are issued after the returned item is received and inspected. Processing times may vary depending on shipping transit and payment provider handling, but most refunds are completed promptly.
To request a return, please contact us at info@jlm-marine.com with your order number for return authorization. For full terms, conditions, and exclusions, please refer to our complete Returns & Refunds Policy page.
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.
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 |
| 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) |
1 x Marine Alpha-Numeric Registration Numbers and Letters Kit (Contains 4 sets of A-Z and 0-9)
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.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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