{"product_id":"jlm-marine-self-adhesive-vinyl-letters-numbers-fits-boats-mailboxes-signs-replaces-3-inch-black","title":"JLM MARINE Self-Adhesive Vinyl Letters \u0026 Numbers – Fits Boats, Mailboxes \u0026 Signs (Replaces 3-Inch Black)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eJLM MARINE Self-Adhesive Vinyl Letters \u0026amp; Numbers\u003c\/strong\u003e are designed for clear, durable identification on a variety of outdoor and indoor surfaces. Each 3-inch black character is perfect for application on boats, engines, mailboxes, and signs, offering a clean, professional look. The vinyl material is weatherproof and resistant to heat and stains, ensuring longevity in marine and other demanding environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Simple peel-and-stick self-adhesive backing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Suitable for both indoor and outdoor use; fully waterproof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e Includes 24 sheets containing a total of 144 letters and numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eSelf-Adhesive Vinyl Letters and Numbers\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eVinyl\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eSize\u003c\/dt\u003e\n\u003cdd\u003e3 inches (76.2 mm)\u003c\/dd\u003e\n  \u003cdt\u003eTotal Pieces\u003c\/dt\u003e\n\u003cdd\u003e144 (across 24 sheets)\u003c\/dd\u003e\n  \u003cdt\u003eItem Shape\u003c\/dt\u003e\n\u003cdd\u003eRectangular\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e9 × 4 × 0.03 inches (228.6 × 101.6 × 0.76 mm)\u003c\/dd\u003e\n  \u003cdt\u003eSpecial Features\u003c\/dt\u003e\n\u003cdd\u003eHeat Resistant, Stain Resistant, Waterproof, Weatherproof\u003c\/dd\u003e\n  \u003cdt\u003ePrimary Applications\u003c\/dt\u003e\n\u003cdd\u003eBoats, Mailboxes, Houses, Cars, Signs, Windows, Doors, and Posters\u003c\/dd\u003e\n  \u003cdt\u003eRecommended Surfaces\u003c\/dt\u003e\n\u003cdd\u003ePaper, Vinyl, and other smooth, clean surfaces\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × JLM MARINE Self-Adhesive Vinyl Letters and Numbers (\u003cspan style=\"color:#d0021b;\"\u003e24 Sheets, 144 Pieces Total\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the Surface:\u003c\/strong\u003e Thoroughly clean the application area with soap and water or an isopropyl alcohol solution to remove any dirt, wax, or oils. Ensure the surface is completely dry before proceeding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan Your Layout:\u003c\/strong\u003e Arrange your letters and numbers before peeling the backing. Use a tape measure and painter's tape to create a straight guideline for alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeel and Position:\u003c\/strong\u003e Carefully peel each letter or number from its backing sheet, avoiding touching the adhesive side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply with Pressure:\u003c\/strong\u003e Position the character along your guideline and press it down firmly from the center outwards. Use a squeegee or a credit card to smooth out any air bubbles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow to Cure:\u003c\/strong\u003e Let the adhesive set for at least 24 hours before exposing it to heavy water contact or harsh conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the exact distribution of letters and numbers in the package?\u003c\/summary\u003e\n  \u003cp\u003eThe package contains a general assortment of 144 letters and numbers across 24 sheets. The exact count for each specific character is not specified by the manufacturer.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I ensure the letters are applied in a straight line?\u003c\/summary\u003e\n  \u003cp\u003eFor best results, use a level or a ruler to draw a faint pencil line or apply a strip of painter's tape to serve as a baseline. Align the bottom of each letter to this guide as you apply it.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan these letters be applied to curved surfaces?\u003c\/summary\u003e\n  \u003cp\u003eYes, the flexible vinyl can conform to gentle curves. For best adhesion, apply steady pressure from the center of the decal outwards to prevent bubbles.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I remove the letters later?\u003c\/summary\u003e\n  \u003cp\u003eGently heat the letter with a hairdryer to soften the adhesive, then use a plastic scraper or your fingernail to peel it off. Any remaining adhesive residue can be cleaned with an appropriate solvent like rubbing alcohol or a specialized adhesive remover.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre these suitable for boat registration numbers below the waterline?\u003c\/summary\u003e\n  \u003cp\u003eWhile the vinyl is waterproof, its durability below the waterline can depend on water conditions, speed, and antifouling paint. For registration numbers, application above the waterline is recommended for maximum longevity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs that the vinyl letters need replacement?\u003c\/summary\u003e\n  \u003cp\u003eLook for signs of peeling edges, cracking, significant fading, or discoloration. If the letters begin to lift, it's a sign that the adhesive is failing and they should be replaced.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717904699707,"sku":"JDC-24-891R","price":19.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JDC-24-891R.png?v=1762938016","url":"https:\/\/seasierra.com\/products\/jlm-marine-self-adhesive-vinyl-letters-numbers-fits-boats-mailboxes-signs-replaces-3-inch-black","provider":"SeaSierra","version":"1.0","type":"link"}