The best choice of aerobic fitness - This exercise jumping rope is plastic foam handles +7mm braided cotton rope, weighing about 0.5 pounds.Not only suitable for beginners,but also a great choice for Double Unders,Wod,MMA,Boxing and crossfit training. This 7mm jump rope is LIGHTER than the 9mm one, which weights total 200g/0.44lb. It is not a jump rope with added weight, so it is more suitable for BEGINNERS. And if you want a HEAVIER jump rope, please choose a 9mm weighted jump rope weights 310h/0.68lb. Jumprope design:tangle-resistant cord,and weighted jump ropes for exercises workout rope design can make sure the jump rope will not tie together when being used. Jump rope weightedusing our exercise jump rope can shape your cardio endurance, stamina and speed, while improving the muscle tension of your whole body. A great choice for boxing, MMA and cross training gym jump rope The rope skipping is designed with double ball bearings - Each handle has been upgraded with two-way bearings inside to ensure a steady and high speed rotation, eliminating tangling or bending, and allowing you to jump more smoothly.