Premium quality, durable jump rope, exclusive designed for fitness and sports lovers The jump ropes are appropriate for men and women, for adults and kids or beginners, and for almost any workout, including boxing, Crossfit, and low-impact exercise programs. Best aerobic exercises for burning a lot of Calorie, slimming down, double unders, improving flexibility, developing core strength and good for heart. Appropriate for all ages, lower-impact activity than jogging. Easy swivel design for unrestricted rope movement. Pevor will provide the BEST SERVICE to our customers, 30 days no reason return or MONEY BACK. Any question will be replied within 24 hours