4" Black Ball Bungee Cords 4mm Heavy Duty | Weather-UV Resistant Banner Straps

Lock down banners and signs in seconds with our 4" Black Ball Bungee Cords – 4mm thick, heavy-duty elastic with UV-protected coating for all-weather performance. Perfect for outdoor signage, tarps, camping, and event setups.

Why Choose Our 4mm Black Ball Bungee Cords?

• Heavy Duty 4mm Core: 2x stronger than standard bungees – won’t snap under tension.
• UV & Weather Resistant: Black coating blocks sun fade; performs in rain, wind, -20°F to 140°F.
• Quick Ball Fastening: Plastic ball loops through grommets in 1 second – no knots needed.

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Bungee Cord Sizes & Pack Options

Mix lengths? Custom colors? Contact us – same-day quote!

Premium Materials for Outdoor Reliability

• Elastic: 4mm multi-strand latex-free core – 200% stretch, zero memory loss
• Jacket: UV-stabilized polypropylene braid – abrasion & mildew resistant
• Ball: Injection-molded plastic – shatterproof, non-marring

Install in Seconds

Perfect for Banners, Signs, Tarps, Tents & Cargo

How to Order Your Black Ball Bungee Cords

Enter quantity (sold per cord), then add to cart. Ships same/next day. Questions?

Frequently Asked Questions

How strong are these 4mm bungee cords?

Hold up to 75 lbs per cord – ideal for vinyl banners, coroplast signs, and light tarps.

Will they fade in the sun?

No – UV inhibitor keeps black color rich for 2+ years outdoors.

What sizes do you offer?

Standard 4" (9" stretched). Need 6", 8", 12"? Custom quote →

Can I use them on metal grommets?

Yes! Ball fits 1/4"–3/8" grommets. Non-marring plastic won’t scratch.

Do you offer bulk pricing?

Yes! Auto-applied at checkout.

Learn More about Banner Fastening

Everything You Need to Know About Bungee Balls: The Versatile Tool for Secure Tie-Downs

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