Jump Rope Adjustable Cable Best for Crossfit Speed Jump Rope Double Unders Boxing MMA WOD Cardio Workout Speed Skipping Fast Exercise and Fitness Training For Men Women Adults Jumping Rope IMPROVE YOUR SKILLS - Thanks to this very fast and stable cable, you will easily improve your double unders training at the first time of use. THE EASIEST WAY TO SHED FAT! - Burn up to 500 calories in half an hour, Increase your stamina and performance with easy double unders training, and get in the best shape of your life! BEST SELLER CROSSFIT JUMP ROPE - With a five star review frequency, Amazon customers agree that this jump rope set is the best on the market. 10 foot adjustable fast speed steel cable, coated with PVC material, fits for all heights and ages, doesnt twist or kink, and easy to recover. ONE FOR HEART - With every purchase you made we donate 1$ to childrens in need 100% LIFETIME WARRANTY  we always keep in our stock a few pieces for customers who need another rope for whatever reason, so you can be sure that this rope set will serve you forever.