Bungee cords,American family owned business backed with Rocket Straps Limited Lifetime Warranty, Secure your load with the best: There are several reasons why Rocket Straps bungee cords made with triple braided polyethylene terephthalate (PET) and high grade rubber stand out:,Warning labels: A heavy duty bungee cord in quality, construction and durability does not mean you should use it to strap down heavy loads! When you see a kayak or similar on the roof of a vehicle it doesn’t mean bungee cords are the only thing holding those kayaks down, that is dangerous, bungee cords are elastic, they move with weight; Use ratchet straps to secure any heavy load and never use solely bungee cords to safely strap something down on a vehicle; Follow federal and state laws,Overall performance: The combination of (PET), high grade rubber and our double J-hooks Rocket Straps bungee cords makes for a strong, durable, and reliable product that is ideal for a wide range of fastening tasks