Comie 1.5'' 40ft Black Poly Dacron Battle Rope Exercise Workout Strength Training Rope Undulation Rope Fitness 100% Poly Dacron, Wear Resistant and Durable 600D Oxford waterproof sleeve Protect the Rope from Friction and Fray Yellow Tracking Line, Convenient for Maintenance 3-Strand Twisted PolyDac Strong Construction Heat Shrink Caps on the ends