1.TANGLE-FREE: The speed jump rope workout made of plastic-coated steel wire speed rope, protect jumping rope from friction with the ground. which features long using life and not easily breaking to ensures effortless and smooth2.SUPER FAST, SMOOTH AND SILENCE: Fitness jump rope workout grip built-in high- speed running silent bearing can easily swing 360rotation while maintaining the shape of the skipping rope to achieve both smooth and high-speed rotation3.PERFECT FOR EXERCISE: Speed jump rope suits for all heights and skills, skipping effectively help you exercise wrists, leg strength, and drive other body parts together, better speed up calorie consumption without unnecessary discomfort. Jump rope for fitness , Boxing, Cross-training4.ADJUSTABLE LENGTH & ALUMINUM HANDLES: Fitness jump rope handle with a Aluminum embossed non-slip grip, double-hole adjustable jump rope length structure without having to cut out the exercise rope. Ergonomically design, comfortable and firm grips can make you feel the rope spin and offer more control. Speed jump rope suitable for kids, adults and all levels of experience5.Maximum comfort The skipping rope in the gym, coated with lightweight ergonomic handles, offers additional comfort, prevents palm sweat at the same time and provides the firm hold you need to get the most out of your training!