This is a High Tensile Strength battle rope.100% Polypropylene and Polyester. Wear Resistant and Durable. The 15m battle rope build with heat shrink caps on the ends,to improve the grip and protect you hand. The 36mm 15m Training Battling Battle Power Rope can strengthen your abs, arms, shoulders, legs, burn fat, build stamina. Also it can improve your endurance of shoulders, increase reaction time & metabolic rate. Using ways: sweing, shake, spiral, throw, climb and so on,Use for climbing Rope, fitness ropes, exercise rope. Using battle ropes for just 10 minutes can be considered a vigorous workout.