F2C 1.5"/2" Diameter, Poly Dacron 30/40/50FT Battle Rope Muscle Musculus Workout Polydac Undulation Fitness Exercise Training Ropes Color Optional: Black Size Optional (1.5"/ 2" Diam.): 30Ft | 40Ft | 50Ft for Junior, Beginner or Intermediate High Tensile Strength Heat Shrink Caps on the ends, Heavy and Apprised Material: 100% Poly Dacron, Wear Resistant and Durable, 3-Strand Twisted PolyDac Strong Construction Orange / Yellow Tracking Line, Convenient for Maintenance, 600D Oxford Waterproof Sleeve Protect the Rope from Friction and Fray