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12×18 in Boat Flag 2×3 ft Flag 2.5×4 ft Flag 3×5 ft Flag 4×6 ft Flag 5×8 ft Flag 6×10 ft Flag 8×12 ft Flag 2.5×4 ft Pole Sleeve 3×5 ft Pole Sleeve

Flag | 12"x18" American Flag - Made in USA | 12x18" American Flag - Made in USA | Fine Line Flag | finelineflag

12x18 inch American Boat Flag | Marine-Grade 210D Nylon | Made in USA

Name: 12x18 inch American Boat Flag | Marine-Grade 210D Nylon | Made in USA
Brand: Fine Line Flag
SKU: US Nautical 12x18
Price: 39.95 USD
Availability: InStock

12×18 in Boat Flag 2×3 ft Flag 2.5×4 ft Flag 3×5 ft Flag 4×6 ft Flag 5×8 ft Flag 6×10 ft Flag 8×12 ft Flag 2.5×4 ft Pole Sleeve 3×5 ft Pole Sleeve

FMAA Certified 100% Made in USA

We guarantee every American flag is 100% manufactured in the United States with domestic materials and American labor. The FMAA certification represents the gold standard for buyers seeking verified American origin.

High-Motion Engineering Specifications

Whether you are navigating open water or hitting the trails, the Fine Line 12x18 inch American Flag is the professional's choice for a high-visibility, compact display. It is the standard size for marine stern poles and off-road whip mounts.

Engineered High Quality You Can See

12x18 inch American Boat Flag | Marine-Grade 210D Nylon | Made in USA – American Flag by Fine Line Flag USA

Heavy-Duty 210D Aniline-Dyed Nylon

Engineered for high-wind resistance and all-weather display, this premium nylon weave is specifically treated to resist UV fading. It is the top choice for those seeking a "nylon American flag" that dries quickly and flies in light breezes.

Embroidered Stars & Precision-Sewn Stripes

Each star is needle-embroidered using dense thread passes that create raised detail and long-lasting definition. This precise method mirrors the workmanship used in traditional U.S. flag production.

Reinforced High-Wind Construction

The fly end uses heavy-duty multi-row lock-stitching and a reinforced double-fold hem. This maintains a crisp edge and ensures structural integrity during high-wind events and daily outdoor use on house-mounted, school, or commercial flagpoles.

Duck-Cloth Header & Solid Brass Grommets

Each flag is finished with a robust blended Army duck cloth header and #2 solid brass grommets. These components provide a secure, corrosion-resistant attachment point for any standard outdoor flagpole.

Operational Environments & Versatility

Designed for easy attachment to 7/8” and 1” rails, stern poles, or antenna mounts using our solid brass, corrosion-resistant grommets. Deep, aniline-dyed colors stay bright despite direct sun and water reflection.

Size-Related Frequently Asked Questions: 12x18 inch

COMMON USES

American Flag FAQs

: Flag life depends on weather and care. In typical climates, a Fine Line Flag 210 denier nylon flag lasts 6–12 months of daily flying. In high-wind, coastal, or desert areas, rotation or seasonal replacement every 3–6 months keeps colors bright. Many customers extend life well beyond a year by lowering the flag in storms and following our Flag Care Guide.
: Wash in cold water with mild detergent and air-dry. Avoid bleach or tumble dryers. Fold respectfully and store in a cool, dry place away from sunlight and moisture.
: Our Retire & Refresh Program sends you a fresh FMAA-certified flag every 3, 6, or 12 months — timed around patriotic holidays. Each delivery includes care tips and an optional pre-paid mailer so your old flag can be retired with dignity by veteran organizations.
: Yes — Fine Line Flag partners with GovX to offer verified discounts for veterans, active-duty military, and first responders as a thank-you for their service.
: We’re a family-owned, Eagle Scout-led small business that works only with certified American manufacturers. Every flag we sell is 100% Made in the USA — no imports, no shortcuts, and no foreign assembly.
: The FMAA certification seal guarantees that every component — fabric, thread, dye, and grommets — is 100% sourced and manufactured in the United States under the U.S. Textile & Wool Acts. It prevents “assembled in USA” mislabeling and ensures your flag is authentically American.
: Yes. Every Fine Line Flag is FMAA-certified and fully Made in the USA using American-sourced materials and labor — from the nylon to the grommets to the thread. We don’t import or assemble overseas.