【Efficient Exercise】Jump rope is recognized as a weight loss exercise, weighted jump rope jumping 10 minutes, equivalent to 30 minutes of running. And weighted jump rope is 10 times better than normal jumping rope. So we will weight up to 5 pounds, using this skipping rope helps to build muscles efficiently and burn fat fast. 【High Quality Heavy Jump Rope】After researching and investigating we found that polymer synthetic fiber is the best material for heavy duty jump rope. Therefore, these weighted jump ropes for fitness are made of fiber material multi-strand weave not only durable and anti-oxidation, not easy to loose. 【Anti-Friction Protective Sleeve】Any product that produces friction will have a certain life cycle, so we added an protective sleeve, put it in the middle of the workout battle rope. This will make reduce the friction of the ground on the rope, increase the abrasion resistance of jumping rope for workout and extend its service life. 【Anti-Slip and Comfortable Handle】The handle shell made of high quality heat shrink film, with a good adhesion, will not come off easily, comfortable and soft to touch without rubbing hands, fine workmanship, fit the rope body. And it is safe and non-toxic which is the only certified green packaging materials in the United States. 【Satisfactory after-sales service】If you have any questions during use, please feel free to contact us. We will get back to you within 24 hours and try our best to make sure you have a pleasant shopping experience.