Valley Forge Koralex II American Flag

in_stock IN STOCK

SKU# VFKoralex
1 Review(s) Add Your Reviews
shipping-truck Usually ships same day

Looking for an American flag that flies high and vibrant through every season? Meet the Valley Forge Koralex II flag – your perfect match for durability and vibrant colors, no matter the weather. Proudly made by Valley Forge, a name synonymous with top-quality flags, the Koralex II keeps its colors bright and beautiful in even the most demanding conditions. Like all our polyester flags, it features carefully sewn stripes and delicately embroidered stars and is crafted from 100% spun polyester. Ready for an American flag that lasts? Grab your made-in-the-U.S.A. Koralex flag today, and let your pride shine all year round! 

  • Constructed from ultra-durable polyester with 2x2 ply construction, making it extra resistant to frays and tears 
  • Finished with two grommets and a canvas header — for easy hoisting using flag fasteners or halyard 
  • Specially treated for color retention — keeps the colors of the American flag bold and rich far longer than cheap imported flags 
  • Comes in four sizes, perfect for home or small commercial displays 
  • Creates stunning 24/7 displays when illuminated  
  • Proudly made in the U.S.A.! 


Why Purchase Valley Forge Koralex II Flags?  


There are many reasons to purchase Valley Forge Koralex flags. Learn more by checking out previous customer reviews for this product.  


Designed for Windy Environments  


Experience the unbeatable durability of our flags, designed to withstand even the harshest weather conditions without tearing or fraying. Thanks to the high tensile strength of our polyester fibers, our flags are perfect for displaying your American pride in any setting – whether you're by the coast, up in the mountains, or in a particularly windy area.  


But that's not all; our flags are also champions at keeping their colors bright and bold. The secret? Our flags are specially designed to maintain their vibrant hues, ensuring your flag looks as good as new for longer. Ideal for free-standing flagpoles, our Koralex flags are more than just durable; they're a vibrant symbol of resilience. Show off your pride with a flag that stays strong and bright no matter where you are. 


Made in the U.S.A.  


Koralex II flags are proudly made in the U.S.A. by one of the most trusted flag manufacturers, Valley Forge Flags. With more than a century of flag-making experience, Valley Forge has supplied flags through pivotal moments of American history. From WWII to the Moon landing and more, Valley Forge flags have impressed with their quality, attention to craftsmanship, and dedication to our country. Learn more on our blog, "Valley Forge Flags: What Makes Quality American Flags." 


Explore Other Quality Polyester U.S.A. Flag Products 


Those who live in windy areas and require a flag made from sturdy materials have many options when shopping at! Compare Koralex flags with these alternative products to choose which one is best for you!  

  • Annin Tough-Tex American Flags: As our best-selling flag, Annin Tough-Tex flags come equipped with embroidered stars, sewn stripes, and spun polyester material that withstands the harshest weather. Available in over a dozen sizes! 
  • Patriarch® Polyester U.S. Flags: These flags are similar in every way to our Annin Tough-Tex flags but come with a six-month guarantee on all sizes. 


Every Flag Needs a Flagpole!  


Those purchasing a Koralex flag should choose one that complements their flagpole. Please use the following chart as a guideline. Need a new flagpole? Browse our commercial or residential flagpoles today!  


Flag size 

Flagpole Height  

3 x 5 ft 

15 ft or 20 ft in-ground / 6 ft outrigger

4 x 6 ft 

25 ft / 8 ft outrigger

5 x 8 ft 

30 ft or 35 ft 

6 x 10 ft 

40 ft 


We recommend our Valley Forge Perma-Nyl® or Beacon® Nylon American Flag if purchasing a flag for a porch or a wall-mounted flagpole. Polyester flags can sometimes become too heavy for a wall-mounted flagpole, especially if wet. — Here to Help You Find the Perfect Made-in-the-U.S.A. Flag!  


At, we're all about celebrating American pride with top-notch flags that are 100% made in the U.S.A. From trusted names like Valley Forge and Annin, we've got a fantastic selection of flags with competitive pricing. Looking for the perfect way to show off your patriotic spirit? Our friendly Customer Care team is here to help you pick the right flag for your home or business. Dive into our collection and find what you need today – quality, tradition, and fair prices all in one spot! Or fill out our Contact Us Form to get started!  


Introducing the Koralex II™ Polyester U.S. Flag:

Meet the Koralex II™ polyester U.S. flag – your go-to choice for a robust, all-weather outdoor American flag, crafted from 100% spun polyester. This flag is designed to withstand high winds and extreme weather conditions, yet it retains the classic look and feel of a traditional American flag, complete with vibrant, rich colors.

A Flag for Every Purpose:
The Koralex II™ polyester U.S. flag is available in all standard sizes, so you can easily find the perfect fit for your specific needs. If you're unsure about the ideal size, just check out the description tab for more guidance. And the best part? These flags are proudly made right here in the U.S.A.

Strength and Durability:

  • These flags feature 100% spun polyester with a 2x2 ply construction, enhancing the strength of every strand of polyester used in their creation.
  • Don't be fooled by their toughness – these flags are surprisingly lightweight. For example, a 6' x 10' flag weighs in at less than 5 pounds, making it easy to handle.
  • They're finished with a reliable canvas header and brass grommets for secure fastening.

Designed for Windy Environments:

  • Polyester American flags are specifically designed to excel in windy conditions and are known for their exceptional performance.
  • Thanks to the high tensile strength of polyester fibers, they maintain their color better than most other fabrics.
  • The Koralex II™ polyester American flags have a proven track record of color retention during outdoor displays from sunup to sundown.

In other words, these flags aren't just flags; they're symbols of resilience and vibrancy, proudly showcasing your American spirit in the face of challenging weather.

Customer Reviews

Review by
Beautiful, well made in the USA, Flag!!! I order from here every year!

1 Item

Write Your Own Review
You're reviewing: Valley Forge Koralex II American Flag

check-circle You submitted your review for moderation.

More Information

Product Type Flag
Product SubType Outdoor Flag
Use Outdoor
Header Canvas Header W/ Grommets
Fabric Heavy Duty Poly
Flag Construction Sewn/Embroidered
Country United States of America