Rope with plastic rope, hemp rope, nylon, cotton and other species, many uses in everyday life, such as rope skipping, quality is solid plastic rope is preferred. Jump rope grip (grip) both plastic and wooden. Plastic grip is light, suitable for use in a single jump rope. Wooden grips in front to attach the rope turning metal devices or ball, easy to turn, prevents the rope knotted or twisted in a rapidly rotating, it would be more suitable for double and multiple uses in human jump rope. Single jump rope than 60~70 cm in height, preferably solid materials, too light but not good. Long rope about 6 meters in length and 15 meters in General, can also be seen jumping rope, height or number of people to decide the length of the rope.