BUILT-IN DUAL BEARINGS 360 FREE ROTATION: With Dual speed bearing design, the handles rotations are truly consistent and smooth. This skipping rope allows you to jump at a fast speed smoothly and freely without the exercise ropes getting tangled and twisted. It gives you more control and also reduces the chance for you to trip over. ADJUSTABLE JUMP ROPE FOR ADULTS AND KIDS: The jumping rope for exercise designs with 9.5 feet long of the exercise jump rope, it has spare rope to adjust to a larger length with a screwdriver for a taller person. Not only adults but also child can play it. Perfect exercise skipping rope for men, women, kids, girls or youth. BUILT-IN STEEL WIRE DURABLE AND BREAK-PROOF: The workout jump rope is made by steel wire rope which is coated with silicon material giving it extra protection. It features durability, endurability and fluentness, eliminates tangling and coiling and allows you to jump on different flat surface. Perfect adult jump rope for weight loss and workout equipment for women and men. NONE-SLIP HANDLE FOR SAFER JUMPINGThe handles of our speed jump rope workout are made out of aluminum and very substantial. The hollow aluminum design is lightweight and firm, giving you an excellent grip for better movement. It also lowers the pressure to your arm when you skip. JUMP ROPE WORKOUT ANYTIME: With this high-quality fitness jump rope, a great workout can be done anywhere, even at home Good for those who are interested in being fit anytime. It is convenient and easy to use in the house. No hassle of taking too much space. LIFETIME GUARANTEE, if any defect with our exercise rope, just contact our support team.