--- product_id: 50301771 title: "HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black" brand: "hardline products" price: "$80.71" currency: USD in_stock: true reviews_count: 5 category: "Hardline Products" url: https://www.desertcart.us/products/50301771-hardline-products-series-350-factory-matched-3-inch-boat-pwc store_origin: US region: United States of America --- # Waterproof & fuel resistant vinyl UV coated for fade resistance 3-inch USCG-compliant size HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black **Brand:** hardline products **Price:** $80.71 **Availability:** βœ… In Stock ## Summary > πŸ›₯️ Make waves with registration that sticks as hard as you do! ## Quick Answers - **What is this?** HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black by hardline products - **How much does it cost?** $80.71 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/50301771-hardline-products-series-350-factory-matched-3-inch-boat-pwc) ## Best For - hardline products enthusiasts ## Why This Product - Trusted hardline products brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Eco-Conscious Lead-Free Inks:** Protect your boat and the environment with 100% lead-free, high-gloss vinyl materials made in the USA. - β€’ **Universal Fit for All Watercraft:** From jet skis to yachts, this kit’s versatile alphanumeric sets cover all your registration needs with style and compliance. - β€’ **Durable UV & Fuel Resistant Coating:** Stay sharp and visible season after season with stickers engineered to resist sun fading, fuel spills, and scratches. - β€’ **Precision-Crafted 3-Inch Block Font:** Bold, factory-matched letters and numbers that meet USCG registration standards for instant legitimacy on your vessel. - β€’ **Effortless Peel-and-Stick Application:** No tools, no hassleβ€”just peel, apply, and hit the water faster with a superstick adhesive that holds tight at speeds up to 100 MPH. ## Overview The HARDLINE Series 350 3-inch Boat & PWC Registration Number Kit offers a complete set of solid black, block font alphanumeric stickers designed to meet USCG size requirements. Featuring UV coating, fuel and scratch resistance, and a waterproof superstick adhesive, these durable vinyl decals ensure long-lasting visibility and compliance for all types of watercraft. Made in the USA with lead-free inks, this easy-to-apply kit is perfect for professionals who demand quality and style on the water. ## Description This Series 350 factory matched 3-inch registration kit from Hardline Products in solid black for boats and power watercraft (model BLK350EC) features a block font with a solid color (no drop shadow accent). This kit contains four sets of A-Z letters and four sets of 0-9 numerals. Easy to mount -- just peel and apply. These registration stickers are UV coated to protect from fading, and they're also fuel and scratch resistant. They're made from 100 percent lead free inks and vinyl with a waterproof superstick adhesive, and they're tested to speeds up to 100 MPH. The 3-inch registration sticker height meets USCG requirements when installed correctly. Hardline Products is an industry leader in after-market power sports accessories, offering matched registration letter and number kits, decal application and removal fluid, and more for on- and off-road motorcycles, boating, personal watercraft, all terrain vehicles (ATVs), snowmobiles, and karting. Made in the USA. Review: Stickers - Very sticky. Nice quality and Easy to install. Review: Good quality - It fit very well my boat trailer, and looks very nice love it! ## Features - Registration kit for boats and power watercraft vehicles; includes four sets of A-Z and four sets of 0-9 - Block font with solid color - UV coated to protect from fading; fuel and scratch resistant - 3-inch registration stickers meet USCG requirements when installed correctly - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001GXDWGO | | Best Sellers Rank | 854,355 in Automotive ( See Top 100 in Automotive ) 2,921 in Motorbike Decals, Magnets & Stickers | | Brand | Hardline Products | | Brand Name | Hardline Products | | Colour | Solid Black | | Customer Reviews | 4.3 out of 5 stars 2,514 Reviews | | Embellishment Feature | Lead Free Inks | | Finish Type | High-Glossy | | Global Trade Identification Number | 00063219435001, 00632194350014 | | Included Components | Hardline Products BLK350EC | | Indoor Outdoor Usage | Outdoor | | Item Dimensions | 27.9 x 12.7 x 2.5 centimetres | | Item Form | Rectangular | | Item Shape | Rectangular | | Item Type Name | AUTO_ACCESSORY | | Item Weight | 0.4 Pounds | | Item dimensions L x W x H | 27.9 x 12.7 x 2.5 centimetres | | Manufacturer | Hardline Products | | Manufacturer Part Number | BLK350EC | | Material | Vinyl | | Material Type | Vinyl | | Model Number | BLK350EC | | Number of Items | 1 | | Number of Pieces | 149 | | Pattern | Solid | | Product Style | 3” Font | | Recommended Uses For Product | Yachts, Boats, Pontoon Boats, Center Console, Bow Riders, Jet Ski, Wave runner, SeaDoo, Sailboats, Skiffs, Tenders, Canoe. | | Recommended uses for product | Yachts, Boats, Pontoon Boats, Center Console, Bow Riders, Jet Ski, Wave runner, SeaDoo, Sailboats, Skiffs, Tenders, Canoe. Recommended uses for product Yachts, Boats, Pontoon Boats, Center Console, Bow Riders, Jet Ski, Wave runner, SeaDoo, Sailboats, Skiffs, Tenders, Canoe. See more | | Reusability | Single Use | | Set Name | Registration Numbers | | Size | 7.62 cm | | Special Features | Scratch Resistant, Waterproof | | Subject Character | Alphanumeric | | Surface Recommendation | Metal | | Surface recommendation | Metal | | Target Audience | unisex | | Theme | Alphabet | | UPC | 632194700130 063219435001 787463413270 783847012893 632194350014 | | Unit Count | 1.0 count | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** Hardline Products - **Cartoon Character:** Alphanumeric - **Color:** Black - **Item dimensions L x W x H:** 11 x 5 x 1 inches - **Material:** Vinyl - **Number of Pieces:** 149 - **Special Feature:** Waterproof - **Surface Recommendation:** Gel-Coat, Fiberglass, Aluminum, Metal, Paint, Plastic. - **Theme:** Alphabet ## Images ![HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black - Image 1](https://m.media-amazon.com/images/I/719mDGL7OVL.jpg) ![HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black - Image 2](https://m.media-amazon.com/images/I/7166x1SgVgL.jpg) ![HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black - Image 3](https://m.media-amazon.com/images/I/81r5dXkgbCL.jpg) ![HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black - Image 4](https://m.media-amazon.com/images/I/61HYA+lYNNL.jpg) ![HARDLINE Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black - Image 5](https://m.media-amazon.com/images/I/81MS+dj20OL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Stickers *by R***E on 4 June 2026* Very sticky. Nice quality and Easy to install. ### ⭐⭐⭐⭐⭐ Good quality *by L***U on 28 September 2024* It fit very well my boat trailer, and looks very nice love it! ### ⭐⭐⭐⭐⭐ awesome *by R***Y on 18 June 2026* good quality! and i like the stickers that comes with it sweet! ## Frequently Bought Together - Hardline Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black - BLK350EC - Kidde Mariner PWC Marine Fire Extinguisher for Boats, 5-B:C, 3.3 Lbs., Coast Guard Approved, Mounting Bracket (Included), White - Rhino USA Boat Trailer Straps (2-Pack)- Heavy Duty 2 Inch x 48 Inch Boat Tie Down Straps to Trailer- Ultimate Adjustable Transom Tie Down Straps for Trailering Safety with Boat, Jet Ski, & More! Black --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/50301771-hardline-products-series-350-factory-matched-3-inch-boat-pwc](https://www.desertcart.us/products/50301771-hardline-products-series-350-factory-matched-3-inch-boat-pwc) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-20*