XIANQI Product Description Material: Polyester 1.High-strength nylon rope with three-dimensional spiral binding. The material is durable and odourless. A sturdy and wear-resistant silicone protective hose has been added to the rope. 2.Adjustable weightThe handle of this fitness rope skipping are two iron pieces with adjustable weight, which can be added if you are a fitness elite or want to lose weight to double your calorie consumption. 3.360 Ball BearingEach grip of this training rope jumping is equipped with two-way bearings to ensure a smooth and fast rotation, avoid tangles or bending and allow for smoother jumping. 4.Comfortable GripThis skipping rope adult professional with handles is not only comfortable to grip, but also offers high elastic shock absorption. The notched anti-slip design increases friction and prevents the handle from loosening when jumping. 5.Efficient trainingOur indoor and outdoor bouncing rope can shape your cardio endurance, train your muscles, for training, boxing, leg jumping, cardio training. Not space limited, very suitable for home training. color: gray Size: suitable for height 130-185cm, 3M Delivery Quantity: 1 Piece