STRENGTH TRAINING ROPE - Our Twisted Battle Rope is a durable training rope perfect for weightlifters, crossfit, boxers, MMA, and sports players. Our workout rope gives you access to a wide range of unique exercises to increase both your aerobic and anaerobic endurance. Perfect for heavy weight lifters, with options ranging from 16 to 46 pounds. POWER AND DURABILITY - Our weighted exercise rope is made from 100% industrial strength Dacron Polyester. PolyDac is a unique polyester fabric created by DuPont and known for its consistency, quality, and long lifespan. Resistant to all forms of degradation, including moisture, UV rays, abrasion, and chemicals. TWISTED CONSTRUCTION - Our power training rope is built using a standard 3-strand twisted technique for enhanced stability, durability, and grip quality. AVAILABILITY - Our fitness rope is available with diameters of 1", 1.5", and 2" (the diameter will affect how difficult the rope is to grip), and lengths of 20ft, 30ft, 40ft, and 50ft. VETERAN OWNED AND OPERATED - Just like the Marine Corps, SGT KNOTS is committed to be the best of the best. We continue to live by the motto, Semper Fidelis—Always Faithful. Our loyalty to our customers is what makes us who we are, and the reason we continue to grow in popularity and product offerings. We promise to maintain the strength and consistency of our products. We also pass down our bulk savings to our customers! SGT KNOTS Twisted Battle Rope is a high-quality, long-lasting strength training rope that provides a wide range of unique exercises and activities to enhance your workout routine. Workout ropes are a great way to increase both aerobic and anaerobic endurance.